Polynucleotide Treatment (Salmon DNA PDRN) in Markham, Serving Toronto
Multi-brand PDRN polynucleotides including Korea's Pharma Research · Anti-inflammatory repair mesotherapy · A2A receptor activation · Barrier restoration · Results lasting 3–6 months
Quick Answer
Polynucleotide treatment, known at ID Cosmetic Clinic as Salmon Meso, is an injectable skin treatment that uses PDRN (polydeoxyribonucleotide) derived from salmon DNA to support skin repair, calm redness and improve skin quality. It is delivered through fine micro-injections into the superficial skin layer and does not add volume like a filler. It is often chosen for sensitive skin, facial redness, red acne marks and recovery after laser treatment. At our Markham clinic, serving Toronto and the GTA, treatment is physician-led by Dr. Dan Xu, M.D., CCFP, over 3–5 sessions about two weeks apart.
View Contents (14)
- 01 Dr. Xu's Rea…
- 02 Why Choose ID Cos…
- 03 Salmon Meso What …
- 04 Salmon Meso How S…
- 05 Am I a Candidate …
- 06 Salmon Meso (PDRN…
- 07 Salmon Meso (PDRN…
- 08 Salmon Meso Pre-p…
- 09 Salmon Meso (PDRN…
- 10 Physician-in-Char…
- 11 《Timeless Asian B…
- 12 Why Trust ID Cosm…
- 13 Salmon Meso (PDRN…
- 14 Common Risks · Co…
Dr. Xu's Real Cases: Salmon Meso
Real clients treated personally by Dr. Dan Xu at ID Cosmetic Clinic in Markham. Every client signed a Media Release Form. Photos are unretouched clinical records; results vary between patients with skin type and aftercare, and are not guaranteed.
01Patchy Discolouration And Freckles Faded In Three-Quarter View
- Treatment
- Dual Pico Combination Treatment, PicoSure Pro®, AI BBL HEROIC™ Photofacial, Juvéderm Skinvive™ and Salmon Meso combined; on this page the focus is freckles and discolouration.
- Maintenance
- Strict sun protection; review as per the treatment schedule to maintain.
02Mature Weary Face Hydrated And Rejuvenated
- Treatment
- Eye Rejuvenation / Brightening Injections, Perioral Rejuvenation, Filorga® Skin Booster Injections, Juvéderm Skinvive™, Salmon Meso and Exosome Skin Booster combined to lift a dry, weary look.
- Maintenance
- Continued moisturising and sun protection; review as per the treatment schedule to maintain.
03Multi-Area Volume Rebuilt
- Treatment
- Temple filler, Forehead Filler Augmentation, Eye Rejuvenation / Brightening Injections, Perioral Rejuvenation, Collagen Stimulator (Bellafill®, etc.), HA Filler (Juvéderm® and others), Stylage®, Lateral Facial Contour Lifting (Pre-Auricular Injection), Titanium Lifting, Mid-face filler, radiofrequency skin tightening, Juvéderm Skinvive™ and Salmon Meso combined; on this page the focus is rebuilding full-face volume.
- Maintenance
- Continued sun protection and moisturising; review as scheduled to assess maintenance.
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Why Choose ID Cosmetic Clinic for Salmon Meso (PDRN Mesotherapy) in Toronto
PDRN The key to a successful injection lies not in the product itself, but inclinical assessment — which sensitive skin types are suitable for PDRN, which cases of post-acne redness require anti-inflammatory treatment before regeneration begins, and the optimal timing for intervention after laser procedures. Dr. Xu applies a structured clinical decision-making framework specifically for sensitive skin and restorative injectable treatments.
Specialist physician in sensitive skin and restorative injectable treatments
Dr. Xu (M.D., CCFP) has been practicing at the Toronto / Markham clinicSensitive skin, rosacea, post-laser recoverypopulation, establishing a systematic PDRN anti-inflammatory injection protocol.
physician-performed injection · not delegated to a technician
All Salmon Meso (PDRN) injections are performed by Dr. Dan Xu (M.D., CCFP)personally / in personcompleted. PDRN superficial dermal micro-injection demands precise depth control and point-density calibration — too superficial and papules form; too deep and efficacy is compromised. This requires physician-level anatomical judgment and tactile expertise.
80,000 injection procedures of clinical experience
Cumulative 80,000 injection procedures performed, includingthousands of PDRN / PN salmon-based mesotherapy cases. Drawing on the characteristics of Asian skin — typically thinner, more prone to flushing, and more susceptible to bruising — Dr. Xu has established a dedicated Salmon Mesosystematic injection point density + interval protocol, Better tolerated by sensitive skin.
full range of skin booster products available
The clinic is also equipped with Salmon Meso (PDRN anti-inflammation) · Skinvive (HA radiance) · Profhilo (HA firmness) Three distinct mesotherapy systems — Dr. Xu matches each precisely to your skin type and goals, with no pressure toward any single product.
Authentic cold-chain supply
All Salmon Meso (PDRN) products are sourced from official authorized channels from, All products are maintained under a 2–8°C cold chain throughout. Every unit carries a traceable batch number with authentic product verification, eliminating the risks associated with counterfeit goods or reuse.
Conveniently located in the Greater Toronto Area (GTA)
Our clinic is located in Markham, conveniently accessible from Toronto, Richmond Hill, Vaughan, Scarborough, and North York, with ample free parking. Salmon Meso injections involve no significant downtime — even clients with sensitive skin can return to their daily routine right away.
- · Health Canada licensed — Salmon Meso (PDRN) is an internationally approved mesotherapy regenerative product
- Official authorized supply channels from brands including Korea’s Pharma Research — Authentic cold-chain supply · lot numbers traceable
- Multi-mesotherapy combination capability — Salmon Meso Can be combined with Skinvive / Profhilo combination
- Post-laser recovery protocol — PicoSure / Fraxel / IPL Post-procedure Salmon Meso anti-inflammatory repair can be incorporated following all of the above
- Google 4.9★ · 283 Genuine client reviews — Industry-leading medical aesthetic clinic in Toronto
Salmon Meso What is Salmon Meso (PDRN mesotherapy)?
Salmon Meso is a category ofPDRN (Polydeoxyribonucleotide, polynucleotide)an injectable mesotherapy product with PDRN as its core active ingredient, extracted from salmon/trout testicular DNA through rigorous purification and fragmentation. The molecular weight of PDRN falls within 50-1,500 kDa range (low molecular weight), by activating receptors on the surface of skin cells A2A Adenosine receptortake effectAnti-inflammatory + microcirculation enhancement + barrier repairtriple-action effect, making it the preferred injectable protocol for sensitive skin, Rosacea, post-acne redness, and post-procedure repair.
Please note:Salmon Meso (PDRN) ≠ Rejuran (PN) · Salmon Meso ≠ Skinvive (HA) · Salmon Meso ≠ Profhilo (HA) . PDRN and PN both originate from salmon DNA, yet they differ completely in molecular weight and clinical application: PDRN isLow molecular weight · Primarily anti-inflammatory · Primarily barrier-repairing; PN is Higher molecular weight · Primarily regenerative · Primarily targets skin texture improvement. Simply put, PDRN is“extinguishing the fire”, PN is “restoration”. Note: Rejuran is not authorized by Health Canada for injectable use, so ID Cosmetic Clinic does not offer it — see Rejuran in Canada.
Salmon Meso clinical mechanism: ① PDRN activates cutaneous A2A adenosine receptors to downregulate inflammatory cytokines (TNF-α / IL-6) · ② promotes dermal microcirculation to improve hypoxic tissue · ③ accelerates epidermal barrier rebuilding and reduces TEWL · ④ supplies nucleotide precursors to support cellular metabolism · ⑤ works without thermal energy and without adding volumetric filler. Clinical data show1-2 Noticeable reduction in facial redness and sensitivity after the first few sessions, a full course of 3–5 sessions maintains results for 3–6 months.
Salmon Meso Technical specifications
- active ingredientPDRN Polynucleotide (extracted from salmon DNA)
- molecular weight50-1,500 kDa (low molecular weight)
- Mechanism of actionA2A Receptor activation · Anti-inflammatory + microcirculation improvement + barrier repair
- onset time1-2 sessions, visible redness and sensitivity improve noticeably
- treatment plan3-5 sessions per treatment course · 2-week intervals
- duration of effect3-6 months (annual maintenance)
- regulatory approval· Health Canada licensed
- Injection TechniqueSuperficial dermal grid pattern · 30–32 G ultra-fine needle
- Key BrandsPharma Research and multiple other brands (Korea)
Salmon Meso vs Rejuran vs Skinvive vs Profhilo comparison
| Treatment | raw material / source ingredient | molecular weight | Primary Mechanism |
|---|---|---|---|
| Salmon Meso | PDRN (DNA) | 50-1,500 kDa | anti-inflammation · microcirculation · barrier repair |
| Rejuran® | PN (DNA) | 50,000-1,500,000 kDa | Regeneration · Collagen repair |
| Skinvive™ | Vycross-light HA | — | Cheek radiance · Hydration |
| Profhilo® | Pure, high-concentration HA | — | bio-remodeling · firming |
| Standard HA skin booster | non-cross-linked HA | — | surface-level hydration |
Note: The distinction between Salmon Meso (PDRN) and Rejuran® (PN)A molecular weight difference of 1,000-fold, The clinical actions are entirely complementary — Salmon Meso lays an anti-inflammatory foundation, while Rejuran® delivers the next-level regenerative benefit.
Salmon Meso How Salmon Meso (PDRN Mesotherapy) Works
Salmon Meso Via 30–32 G ultra-fine needles in thesuperficial dermisPDRN polynucleotides are delivered via a point-by-point grid injection technique. Within the skin, PDRN is metabolized into mononucleotide precursors while simultaneously activating adenosine A2A receptors, initiatingAnti-inflammatory + microcirculation + barrier repairtriple-action mechanism. Clinical data show that visible redness and sensitivity improve noticeably after 1–2 sessions, with results maintained for 3–6 months following a full course of 3–5 sessions.
Consultation & Barrier Status Assessment
Dr. Xu uses VISIA skin analysis combined with clinical visual assessment to evaluate your redness index, barrier TEWL status, flushing/sensitivity level, and acne mark type (PIE vs. PIH) — confirming whether a standalone Salmon Meso protocol or a combination approach (e.g., combined post-laser). The consultation also includes screening for salmon protein allergy and current anticoagulant use.
Protocol Design & Dosage Calculation
Dosage and session count are determined based on the degree of sensitivity / skin damage:Mildly sensitive skin 3 sessions constitute one course of treatment;Rosacea / Post-acne erythema (PIE) 4 sessions;post-laser repair 2-3 sessions. The standard single-session dose isFull face 2 ml, interval2 weeks. Confirmed following a transparent quote.
Topical anesthetic application & antiseptic marking
Topical lidocaine cream is applied for 20–30 minutes until fully effective, followed by cleansing and disinfection. For clients with sensitive Asian skin, numbing time is extended as needed to minimize discomfort. A medical marking pen is used to map the full-face point-by-point injection grid (approximately 1 cm spacing), avoiding active inflammatory acne lesions and any sites with active herpes simplex.
Superficial dermal micro-array injection
Delivered via 30–32 G ultra-fine needles using a micro-array injection techniquesuperficial dermis, 0.01–0.02 ml per injection point. Dr. Xu adjusts according to the redness zone distributionadjust injection point density — Areas with pronounced redness and compromised barrier receive denser injection points, while the delicate periorbital zone requires reduced density and lower doses. The full injection session takes 15–25 minutes. A cold compress is applied immediately after for 5–10 minutes to minimize erythema and swelling.
Progressive anti-inflammatory repair + barrier restoration
Salmon Meso the core characteristic of this treatment isGradual onset of results. post-injection 24 hoursErythema resolves,1-2 sessionspost-treatment reduction in facial redness and sensitivity,3-5 sessionsUpon completion: overall skin barrier stability · significant reduction in redness and reactive sensitivity. Maintenance 3-6 months, Annual maintenance is recommended, or prophylactic use before and after laser procedures.
Salmon Meso Injection Safety Control — Dr. Xu’s Three-Layer Defense
Salmon Meso is a PDRN-class injection,PIH Risk approaching zero (No thermal effect — the anti-inflammatory mechanism actually protects pigmentation). However,Salmon allergy, papule formation, bruisingis an inherent risk of intradermal injection, and depends on the physician’s precise control of allergy screening, injection depth, and point-grid density.
Pre-procedure salmon allergy and anticoagulant screening
Thorough screening for salmon and fish allergy history · Discontinue aspirin, fish oil, vitamin E, and other blood-thinning agents at least 1 week before injection · Significantly reduces the risk of allergic reactions and bruising
Superficial dermis + injection point density
Injection depth is strictly controlled within the superficial dermis · Too superficial → papule formation / prolonged erythema · Too deep → reduced efficacy · Higher point density over areas of redness · Reduced density over thinner skin areas
Immediate post-injection cooling + barrier skincare follow-through
Cold compress immediately after injection for 5–10 minutes · Use only ceramide / panthenol barrier-repair skincare for 24–48 hours · Strictly avoid acids and all potentially irritating products
Among the 5,000 clients · 80,000 treatment areas I have treated, Salmon Meso (PDRN) addresses a genuinely distinct set of concerns:Sensitive skin, Rosacea, post-acne redness, post-laser recoveryThese clients often feel they “can’t do anything.” PDRN is not a regenerative treatment, not a filler — it is“”bringing the skin back to a healthy baseline first”. I often tell my clients: PDRN is“extinguishing the fire” — Extinguish the inflammation first, then rebuild — this is the correct sequence for repairing sensitive Asian skin. — Dr. Dan Xu, M.D., CCFP
Am I a Candidate for Salmon Meso (PDRN Mesotherapy)?
You are welcome to complete a self-assessment before your consultation; however, final suitability is determined by Dr. Xu through a comprehensive evaluation of your skin condition, barrier status, and allergy history.
You may be a suitable candidate if…
- sensitive skin (prone to flushing, stinging, and heightened reactivity to skincare products)
- RosaceaI-II flushing-dominant phase
- Post-inflammatory erythema (PIE) — red acne marks
- laser / picosecond / radiofrequency / Fraxel post-procedure recoveryaccelerate
- compromised skin barrier (flaking, tightness, and elevated TEWL)
- Clients who wear makeup daily, work in air-conditioned environments, or endure Toronto’s dry winters
- required / neededpreventive anti-inflammatoryReducing post-laser PIH risk
Treatment is not recommended if any of the following apply…
- pregnancy or breastfeeding
- History of severe salmon or fish allergy (absolute contraindication)
- autoimmune conditions affecting the skin (lupus erythematosus / scleroderma)
- Active infection at the injection site / Active herpes simplex / Severe inflammatory acne
- Keloid tendency or abnormal scarring history
- Acute fever / severe immunosuppression
- Seeking immediate volumizing or structural augmentation (consider Juvéderm volumizing)
- seeking cheek radiance (recommended option: Skinvive)
- Minors (< 18 years of age)
Indications × Treatment Selection × Dr. Xu’s Protocol
Salmon Meso clinical indication isanti-inflammatory repair, In practice, however, Dr. Xu designs a precise protocol tailored to your specific goals:
| Goal | recommended protocol | sessions / intervals | Expected Improvements |
|---|---|---|---|
| Sensitive skin / Compromised skin barrier | Salmon Meso Full face 2 ml | 3 sessions / every 2 weeks | Redness ↓ 50–70% · Barrier stability |
| rosacea type I–II | Salmon Meso focused on the cheeks | 4 sessions / every 2 weeks | erythema ↓ 40–60% |
| post-acne PIE (pink/red marks) | Salmon Meso point-grid targeting of acne mark zones | 3 sessions / every 2 weeks | PIE ↓ 40-60% |
| Post-laser / post-picosecond recovery | Salmon Meso 7 days post-procedure | 2-3 sessions | Redness duration reduced by 50% · PIH ↓ |
Salmon Meso (PDRN mesoderm) treatment planning
Not everyone needs a full 5 sessions. Dr. Xu will tailor the plan to yourSensitivity level / skin barrier status / combination treatment needsto determine a personalized session count and interval. Below are 4 typical treatment phases.
Initial Assessment & Treatment Initiation
The first injection session focuses onestablish tolerance + assess individual response. A conservative dose (2 ml full face) is used, with close monitoring of allergic reactions, erythema resolution rate, and bruising incidence. If the response is favorable, the second session proceeds according to the standard protocol.
Core anti-inflammatory phase (2–3 sessions)
2 sessions performed 2 weeks apart — this isCore phase of anti-inflammatory treatment and barrier repair. Most clients notice a clear reduction in redness, improved skin stability, and better tolerance to skincare products after their second session.
Consolidation Period
Sessions 4–5 representconsolidation phase, Results are consolidated.
Maintenance phase (once every 3–6 months)
After the core treatment course, every 3-6 months1 maintenance sessions can sustain long-term skin barrier stability. A preventive top-up session is recommended before or after high-risk events such as laser treatments, seasonal transitions, or extended travel.
Typical Timeline
| Treatment Timeline | Treatment / Assessment | expected outcome |
|---|---|---|
| D 0 | 1st Salmon Meso Session | Pinpoint redness on the day of treatment · Resolves within 24 hours |
| 2 weeks | Second injection session | flushing begins to subside · barrier function improves |
| 4 weeks | 3rd injection session | Noticeably reduced sensitivity · Decreased facial redness |
| 6 weeks | 4th Session (as needed) | Stabilized barrier function |
| 8 weeks | Treatment complete · Follow-up appointment at 4 weeks | Results consolidated · Overall improvement achieved |
| 3-6 months | Maintenance phase · Single session | Long-term barrier stability |
Salmon Meso (PDRN) Indications
PDRN The core purpose of this injection isAnti-inflammatory + microcirculation + barrier repair, Unlike traditional hydrating or regenerative skin boosters. Below are the 7 most common indications Dr. Xu addresses at the Toronto / Markham clinic.
Chronic sensitivity + compromised skin barrier
Toronto’s dry winters, air-conditioned environments, and prolonged makeup wear combine to stress the skin barrier · PDRN repairs the barrier and reduces transepidermal water loss (TEWL), making it an essential choice for sensitive skinfoundational repair protocol.
Rosacea subtype I–II flushing
persistent facial redness + episodic flushing · PDRN downregulates inflammation via A2A receptors,Reduction in erythema index by 40–60%. To be used alongside gentle skincare and daily SPF.
Post-acne inflammatory erythema (red acne marks / PIE)
residual marks following controlled acne,Red PIE acne marks· Stemming from residual inflammation and capillary dilation · PDRN’s anti-inflammatory mechanism offers superior improvement in PIE compared with standard hydrating mesotherapy.
Post-laser / post-picosecond / post-Fraxel / post-IPL
Post-laser Day 7 and Day 21PDRN injection,reduces redness period by 50% · Reducing PIH risk and accelerating barrier recovery — an essential complement to laser treatment for Asian skin.
Dull complexion + poor microcirculation
Chronic sleep deprivation, smoking, or poor oxygenation leads to impaired skin microcirculation · PDRN improves dermal blood flow,improves skin clarity and luminosity· well-suited for patients with a noticeably sallow or dull complexion.
anti-inflammation + microcirculation for the delicate periorbital area
The periorbital skin is thin and prone to dark circles and fine lines · PDRN improves microcirculation to reduce vascular-type dark circles,Low-dose precision injectionTo minimize swelling.
preventive anti-inflammatory treatment for seasonal changes / travel
Receiving PDRN 1–2 weeks before seasonal transitions into autumn/winter, long-haul flights, or travel to high-altitude or dry climates canprevents barrier breakdownand acute sensitivity flare-ups.
Full Indications List
| Indications | core mechanism | treatment sessions | Expected Improvements |
|---|---|---|---|
| Sensitive skin / Compromised skin barrier | anti-inflammation + barrier rebuilding | 3 sessions | Flushing ↓ 50–70% |
| rosacea type I–II | A2A receptor-mediated anti-inflammation + microcirculation | 4 sessions | erythema ↓ 40–60% |
| post-acne PIE (pink/red marks) | Reduction of residual inflammation | 3 sessions | PIE ↓ 40-60% |
| post-laser repair | Anti-inflammatory + accelerated barrier | 2-3 sessions | Redness duration ↓ 50% |
| dull complexion / poor microcirculation | Improved dermal blood flow | 3-4 sessions | skin clarity and translucency ↑ |
| Periorbital vascular dark circles | Microcirculation improvement | 3 sessions | dark circles ↓ 30–50% |
| seasonal transition prevention | preventive anti-inflammatory | 1 sessions | Reducing acute flare-ups |
| PDRN + PN combination | Anti-inflammatory priming + regenerative advancement | 3 sessions each | Barrier repair + skin texture |
Salmon Meso Pre-procedure · Intra-procedure · Post-procedure care
PDRN injection is a minimal downtime treatment; pre-procedure preparation and the 72-hour post-procedure barrier care window directly determine outcomes. Dr. Xu provides every client with a comprehensive at-home care checklist.
1 week before injection
- Discontinue retinol / retinoic acid / high-concentration AHA / BHA for 7 days
- Tell us about aspirin / fish oil / vitamin E / ginkgo, which may increase bruising; Dr. Xu will advise whether to pause them. Do not stop a prescribed medication without your prescriber’s advice.
- avoid sun exposure + apply strict SPF 50+ sun protection
- Day of injection: No makeup · no contact lenses (periorbital injection)
- adequate sleep + avoid alcohol for 24 hours
- disclose any history of salmon / fish allergy in detail
Day of injection (in-clinic)
- In-clinic cleanse + VISIA erythema zone imaging for baseline comparison
- Topical lidocaine anesthetic applied for 20–30 minutes
- Disinfection & marking → superficial intradermal point-grid injection 15–25 minutes
- Immediate cold compress for 5–10 minutes post-injection to reduce erythema
- same day avoid makeup · Use only gentle ceramide-based barrier-repair skincare
- 10–15 minutes of in-clinic observation to confirm no acute allergic reaction
At-home care from Day 0 to Day 14 post-injection
- D0-D1: Cold compress + use only ceramide / panthenol barrier-repair skincare
- D2-D3: Gentle cleansing as usual · Light makeup may be resumed · Strict SPF 50+ sun protection
- D0-D7: Avoid sauna, hot yoga and hot environments; no strenuous exercise, heat or alcohol for at least 24 to 48 hours (Dr. Xu will advise on the rest)
- Avoid all acids, retinol, and irritating products for 7 days
- Avoid alcohol and high-heat environments for 24 to 48 hours · Tell us if you plan to fly soon after treatment
- 2 weeks later: follow-up + Session 2 injection
- Contact the clinic promptly for severe pain, spreading redness or swelling, signs of infection, or skin that looks white, blue or dusky.
D0-D30 Timeline
| duration | typical condition | Key aftercare focus |
|---|---|---|
| D 0 | Pinpoint erythema · mild swelling | Cold compress + ceramide-based skincare |
| D 1 | Erythema substantially resolved | Gentle cleanser + SPF |
| D 2-3 | Light makeup may be worn | Avoid heat exposure + apply sun protection |
| D 7 | bruising resolves (if present) | Return to normal activities · Continue to avoid acids |
| D 14 | Timing of the 2nd injection session | Assessing barrier improvement |
| D 30 | noticeable reduction in redness | continue SPF protection + barrier-supportive skincare |
Salmon Meso (PDRN mesotherapy) core advantages
Compared with traditional hydrating skin boosters, single-agent HA injections, or standard mesotherapy cocktails, the advantage of Salmon Meso lies inWell-defined anti-inflammatory clinical endpoint + barrier restoration mechanism.
A2A receptor-mediated anti-inflammatory
PDRN activates adenosine A2A receptors in the skin,Downregulation of inflammatory mediators including TNF-α and IL-6, represents a true “molecular-level anti-inflammatory” mechanism.
Barrier restoration
accelerates epidermal barrier repair,Reducing TEWL (transepidermal water loss), Long-term improvement in skin sensitivity and tightness.
Microcirculation improvement
promotes dermal microvascular circulation and improves oxygenation and tissue metabolism,improves skin clarity and luminosity, effective for dull, uneven complexion.
PIH protection
anti-inflammatory mechanismPrevention of post-laser post-inflammatory hyperpigmentation (PIH), An essential post-procedure complement for Asian skin types.
Advantage of lower molecular weight
PDRN molecular weight 50-1,500 kDa, significantly lower than that of PN (Rejuran®),diffuses and absorbs more readily within the dermis.
fast onset
1-2 after sessionsVisible improvement in facial redness and skin sensitivity without requiring a prolonged treatment course — highly accepted among Asian clients.
No thermal effect
pure injectable mechanism · no laser thermal injury · PIH Risk approaching zero, Safe for deeper skin tones (Fitzpatrick IV–V).
PDRN vs Comparison with other anti-inflammatory treatments
| protocol | anti-inflammatory mechanism | barrier repair | onset of effect |
|---|---|---|---|
| Salmon Meso (PDRN) | A2A receptor activation | Strong | 1-2 sessions |
| Rejuran (PN) | nucleotide metabolism | Medium | 2-3 sessions |
| HA mesotherapy | None (hydration only) | Weak | same session |
| Oral hydroxychloroquine | systemic immune modulation | Weak | 4-8 weeks |
| Topical metronidazole / ivermectin | Topical antibacterial / anti-inflammatory | Weak | 4-8 weeks |
Physician-in-Charge · Dr. Dan Xu, M.D., CCFP
All Salmon Meso (PDRN) injections are performed personally by Dr. Dan Xu — never delegated to a technician or nurse.
Dr. Dan Xu (M.D., CCFP) is the physician-founder and Medical Director of a physician-led medical aesthetic clinic serving the Toronto and Markham area, and a graduate ofMcMaster University medical school, CCFP Family medicine specialty certification. Dr. Xu hasSensitive skin, rosacea, post-laser recoverywith systematic clinical experience in this area, having developed a PDRN (anti-inflammatory) + PN (regenerative)dual-track skin booster protocol.
Dr. Xu insists on“”extinguish the fire first, then rebuild”Asian sensitive skin repair philosophy — many clients should complete a PDRN anti-inflammatory priming course before attempting lasers or chemical peels, which can significantly reduce post-procedure complications and PIH risk. This protocol has earned strong recognition among sensitive-skin clients in Toronto and Markham.
clinical certifications and academic activities
- M.D. M.D. (McMaster University)
- CCFP Canadian Certification in Family Medicine (CCFP)
- CPSO Registered physician in Ontario (publicly verifiable through CPSO)
- Pharma Research (Korean PDRN / PN manufacturer) — Canada Clinical Collaborating Physician
- Allergan / Juvéderm North America Official Trainer
- McMaster University Clinical teaching physician
- IMCAS / AMWC International Medical Aesthetics Conference Speaker
- 《author of the clinical reference work on Asian aesthetic injectables
- invited on multiple occasions to present on PDRN applications for Asian sensitive skin
What Dr. Xu Does Not Do
- PDRN injections are never delegated to technicians or nurses
- No pressure to purchase packages · No discount promotions
- No products sourced outside
- treatment is not administered to patients with an unknown or unclear salmon allergy history
《Timeless Asian Beauty》
In his book, Dr. Xu systematically addresses the “sensitivity + barrier dysfunction + micro-inflammation” triad unique to Asian skin types, proposing“”extinguish the fire first, then rebuild”clinical sequence — in which PDRN’s role is“extinguishing the fire”, is the essential preparatory step before intensive regenerative or resurfacing treatments.
The core of this book focuses on the essence of Asian aesthetics —Natural, gentle, and healthy. In his book, Dr. Xu draws on real cases from Toronto and Markham to illustrate the PDRN (Salmon Meso) protocol for Asian clients with sensitive skin — covering when to initiate PDRN and how to integrate it with laser treatments.
The book specifically notes that,North American Asian skinDue to prolonged exposure to air-conditioned environments, frequent product switching, and high-frequency laser or resurfacing treatments,Chronic micro-inflammatory burdensignificantly higher than in Asian domestic populations, making the clinical value of PDRN particularly relevant for Asian patients in North America.
Not to change who you are — but to embrace the most authentic version of yourself.
Identify with your own beauty. — Dr. Dan Xu, M.D.
Why Trust ID Cosmetic Clinic for Salmon Meso (PDRN) in Toronto?
Real-world clinical experience
- 80,000 cumulative injection procedures performed
- Thousands of PDRN / PN salmon-derived mesotherapy injections performed
- dedicated case library for rosacea / post-laser repair
- Complete VISIA + Before & After imaging records for every patient
medical professional training
- M.D. complete medical school training and education
- CCFP Family medicine specialty certification
- Superficial Intradermal Point-Grid Injection Protocol (PDRN-Specific)
- PDRN + PN Dual-product clinical decision-making expertise in skin booster therapy
industry-recognized credentials and certifications
- Pharma Research Canada Clinical Collaborating Physician
- Allergan / Juvéderm North America Official Trainer
- McMaster University Clinical teaching physician
- IMCAS International conference speaker
- 《author of the clinical reference work on Asian aesthetic injectables
transparent and verifiable
- CPSO registered practicing physician (publicly verifiable)
- Google 4.9★ · 283 Genuine client reviews
- a written informed consent form is signed before each injection
- Salmon Meso authentic cold-chain supply from
- No tiered pricing · No pressure to purchase packages · Transparent per-session pricing
Salmon Meso (PDRN) not a “standard skin booster,” but ratherdedicated anti-inflammatory repairinjection protocol
In the North American market, referred to as“Skin Booster”most products in this category arehydration or volumizingas its objective, and PDRN is among the fewwith “anti-inflammation + barrier repair”injectable products with measurable clinical endpoints at their core. Dr. Xu’s protocol — superficial dermal placement, point-density modulation, allergy screening, and barrier-supportive skincare integration — represents one of the clinical benchmarks for PDRN injection in the Greater Toronto Area (GTA).
All Salmon Meso injections are performed by Dr. Xu (M.D., CCFP)personally performed, Never delegated to technicians or nurses.
Salmon Meso (PDRN) Pricing & Payment — Toronto
Pricing bysingle session / treatment packagepricing (single session vs. 3-session package), including topical anesthetic, physician-performed injection, and follow-up.A customized quote from Dr. Xu follows your Free 30-Minute Consultation.
Salmon Meso Full face 2 ml · Includes topical anesthetic + physician-performed treatment + follow-up appointment
3 sessions of Salmon Meso · 2-week intervals · includes VISIA redness analysis + PDRN/PN combination protocol recommendation
- We accept VISA / Mastercard / Amex / Debit / E-transfer
- Affirm / PayBright financing available (select treatment packages)
- Private Insurance: some extended health benefit (EHB) plans may cover consultation fees — inquire for individual cases
- OHIP:Cosmetic procedures are not covered by insurance
- All new patients receive a 30-minuteFreeConsultation & Assessment
Common Risks · Contraindications · Injection Safety
We openly disclose all possible reactions, serious risks, contraindicated populations, and absolute exclusions — so you have complete information before your consultation. Dr. Xu reviews each point with you individually before every injection.
Common Reactions (may appear shortly after injection)
- Pinpoint erythema / needle marks (common at injection sites · resolves within a few hours to 24 hours)
- transient mild swelling (peaks at Day 0–1 · fully resolves within 1–3 days)
- bruising (approximately 5–15% likelihood · Resolves within 3–7 days · Arnica may accelerate resolution)
- tenderness at injection sites (24-48 hours · similar to a mosquito-bite sensation)
- Palpable micro-papules (Early-stage PDRN distribution is not yet uniform · Naturally smooths out within 1–2 days)
- Temporary mild flaking (Common during the barrier rebuilding phase · Resolves within 1 week)
Serious risks (rare, but disclosure is required)
- Salmon / fish allergic reaction— Absolute contraindication for those with a severe allergy history · Mild or uncertain cases assessed at consultation · Anti-allergy medications kept on-site at all times
- persistent papules / nodules— Rare · Typically related to overly superficial injection or concentrated dosing · Usually resolves naturally within 1–2 weeks
- infection— Rare · Preventable with strict aseptic technique · Contraindicated during active herpes simplex outbreaks
- Spread of bruising— Rare · Most commonly associated with anticoagulant use · Discontinuing anticoagulants one week before the procedure significantly reduces the risk
- Temporary increase in skin sensitivity— a small number of patients experience a brief sensitivity rebound after the first session · typically resolves by Day 7–14
- vascular events— extremely rare · avoidable with precise superficial dermal injection technique · clinic maintains emergency protocols
Absolute Contraindications (Will Not Treat)
- Pregnancy / Breastfeeding
- History of severe salmon or fish allergy (absolute contraindication)
- lidocaine allergy (products contain anesthetic components)
- Autoimmune conditions affecting the skin (lupus erythematosus / scleroderma / sarcoidosis)
- Active infection at the injection site / Active herpes simplex / Severe inflammatory acne
- Keloid tendency or abnormal scarring history
- Acute fever / active influenza / severe immunosuppression
- Minors (< 18 years of age)
safety protocol strictly enforced by Dr. Xu
- Every patient undergoes skin assessment, medical history review, current medication review, and prior treatment history review before injection.
- Salmon / fish allergy history must be assessed prior to treatment · Injection withheld for highly suspected allergy cases
- A written informed consent form is signed before every injection session
- All Salmon Meso products are sourced from
- All PDRN injections are performed personally by Dr. Dan Xu, M.D., CCFP
- 30-32 G Ultra-fine needle · precise superficial intradermal point-grid injection · immediate post-injection cooling
- kept on-site at the clinicAnti-allergy and vascular event emergency protocols
- authentic anti-counterfeit verification · every product lot number is traceable
- Transparent pricing · No pressure to purchase packages · Billed per session
Salmon Meso (PDRN Mesotherapy) FAQ — Toronto
Answered personally by Dr. Dan Xu — based on the most common questions from patients in Toronto and Markham.What are polynucleotides and how do they work on the skin?
Polynucleotides are purified DNA fragments, most commonly taken from salmon or trout, that are injected into the skin to support repair and skin quality. They are studied for their ability to calm inflammation, support fibroblast activity and help restore the skin barrier.
Do polynucleotide injections hurt?
Most people feel only mild pin-prick discomfort during polynucleotide injections. A numbing cream is applied for 20–30 minutes beforehand and very fine 30–32G needles are used. The injections take about 15–25 minutes, followed by a cold compress.
Is polynucleotide treatment the same as mesotherapy?
No. Mesotherapy is an injection technique: tiny injections into the superficial skin layer. Polynucleotides are an ingredient. Salmon DNA mesotherapy combines the two, using the mesotherapy technique to deliver polynucleotides (PDRN) into the skin.
Salmon Meso What Is the Real Difference Between Salmon Meso (PDRN) and Rejuran® (PN)?
- Salmon Meso（PDRN）：Low molecular weight (50-1,500 kDa）· activates A2A receptors · Anti-inflammatory + microcirculation + barrier repair· Fast-acting (visible results in 1–2 sessions) · Duration 3–6 months · Sensitive skin / Rosacea / Post-acne redness / Post-procedure recoveryfirst-line choice
- Rejuran（PN）：Higher molecular weight (50,000-1,500,000 kDa）· Supplies nucleotide precursors · Collagen regeneration + elasticity restoration· Progressive onset of results (visible improvement after 2–3 sessions) · Lasting 6–9 months · Rough skin texture / Enlarged pores / Acne scarringfirst-line choice
I have sensitive skin / Rosacea — is Salmon Meso a safer option for me?
Salmon Meso How soon will I see results? How long do they last?
- 1-2 after sessionsVisible reduction in facial redness, sensitivity, and burning sensations (perceptible to most clients)
- 3-5 complete treatment sessionsPost-treatment barrier stability and significant reduction in facial flushing
- results maintained for 3–6 months, Recommended once yearly for maintenance, or as a preventive measure before or after laser procedures
Can I Receive Salmon Meso If I Have a Salmon Allergy?
Salmon Meso Can it be combined with laser or picosecond treatments?
- 1–2 weeks before laser1 PDRN session: establish an anti-inflammatory barrier · reduce the risk of post-procedure PIH
- Day 7 post-laserPDRN injection: reduces redness period by 50% · accelerates barrier recovery
- Day 21 post-laserSession 2: consolidate repair · prevent delayed PIH
Salmon Meso How soon after injection can I wear makeup, exercise, or return to work?
- Day of injection：No makeup · Barrier repair with ceramide-based skincare only · You may return to work (pinpoint redness typically resolves within a few hours)
- D2-D3：Light makeup is permitted · Avoid saunas, hot yoga, and strenuous exercise
- D7：Full return to normal activities · Continue to avoid acids and retinol for 7 days
- D14：The second injection session may be performed
Salmon Meso How do I choose between this, Skinvive, Profhilo, and a standard skin booster?
- Salmon Meso（PDRN · anti-inflammatory)：A2A receptor-mediated anti-inflammation · barrier repair · 3–5 sessions · results maintained 3–6 months · Sensitive skin / Rosacea / post-acne redness / post-procedure
- Rejuran（PN · regeneration)：collagen regeneration · skin quality improvement · 3–4 sessions · results maintained 6–9 months · Rough skin texture / Acne scarring
- Skinvive（HA · radiance)：Health Canada–licensed for cheek luminosity · 1 session · Results last 6 months · dry, rough cheek texture
- Profhilo（high-concentration HA · firming)：Bio-remodeling · 2 sessions · Results last 6 months · Jawline laxity
- standard hydration mesotherapy：Primarily for hydration · Largely off-label in North America · Results vary considerably
Salmon Meso How many sessions does this treatment require, and how far apart should they be?
- Mild sensitive skin / compromised skin barrier: 3 sessions
- rosacea type I–II: 4 sessions
- post-acne PIE (pink/red marks): 3 sessions
- post-laser repair: 2-3 sessions (Day 7 and Day 21 post-procedure)
- Refractory chronic sensitivity: 5 sessions
How is Salmon Meso treatment priced? Why is there such a wide variation between clinics?
Price differences lie not in the device or product itself, but inAssessment depth。The dosage, injection points, combination strategy, and need for a combined treatment plan for Salmon Meso cannot be determined from a standard price list alone — a physician consultation is required before any of these decisions can be made.
Routine, stable cases may be performed by our trained medical team following Dr. Xu's protocol, making care more accessible. Complex cases, those with special contraindications, or revision cases require Dr. Xu's direct involvement, and pricing reflects that level of medical resource. For all injectable treatments, we insist on physician-performed injections. For laser and energy-based treatments, the price difference reflects the clinical experience gap between physician-performed and technician-performed procedures (physician vs. technician).Both treatment protocol and pricing are determined by your clinical needs — not by a fixed price list.。New clients receive a 30-minuteFreeDuring the consultation and assessment, Dr. Xu will walk you through the findings and discuss your options in detail.
PDRN Is the injection depth for mesotherapy (Meso) the same as for a standard skin booster?
Real Clients · Google Reviews
What Our Clients Say
Vivian Okoth
0 reviews
Dr. Xu and the staff here are fantastic. I’ve been coming here for years and always leave satisfied! The clinic has a relaxed, comfortable, and welcoming atmosphere—I always look forward to my visits.
Mary Jane
1 reviews
I am so grateful to the friend who recommended this place to me. Dr. Xu is amazing—she is the only doctor I’ll see from now on! Everyone on the staff is incredibly friendly and helpful.
Millicent Akisa
1 reviews
She is truly outstanding! She is both friendly and professional, highly knowledgeable, and has a very warm and gentle manner. She listens carefully to your needs and takes the time to explain all the options to you.
Chen cheng
15 reviews
Vivian is extremely professional. Of all the times I've been here, her technique and service are the best. She finished my hyaluronic acid injection very quickly, with minimal pain. She's also beautiful and has a great p…
Emmaculate Matswa
1 reviews
I'm so glad I came here. Dr. Xu is incredibly knowledgeable, and every piece of advice she gave was meticulous and thoughtful. I really enjoyed talking to her about skincare. Everyone here is so warm and friendly .
Sally Yang
2 reviews
Ling was absolutely amazing! She is so friendly, kind, and welcoming. She made the whole experience so enjoyable and comfortable. Truly appreciate her warm personality and excellent service. Highly recommend!
Zara F. Bell
2 reviews
Absolutely amazing clinic. I was treated with the upmost care and respect. Felt like I've know them my whole life. The whole crew is amazing and so sweet! The service was impeccable by Dr. Dan Xu, she is literally the be…
Caroline Fan
8 reviews
I had a really pleasant visit at ID cosmetics today with Ling. I had my pico laser appointment today. Ling treated me with such kindness and care. She was really attentive prepping me for my treatment and checking in on…
Vivian Okoth
0 reviews
Dr. Xu and the staff here are fantastic. I’ve been coming here for years and always leave satisfied! The clinic has a relaxed, comfortable, and welcoming atmosphere—I always look forward to my visits.
Mary Jane
1 reviews
I am so grateful to the friend who recommended this place to me. Dr. Xu is amazing—she is the only doctor I’ll see from now on! Everyone on the staff is incredibly friendly and helpful.
Millicent Akisa
1 reviews
She is truly outstanding! She is both friendly and professional, highly knowledgeable, and has a very warm and gentle manner. She listens carefully to your needs and takes the time to explain all the options to you.
Chen cheng
15 reviews
Vivian is extremely professional. Of all the times I've been here, her technique and service are the best. She finished my hyaluronic acid injection very quickly, with minimal pain. She's also beautiful and has a great p…
Emmaculate Matswa
1 reviews
I'm so glad I came here. Dr. Xu is incredibly knowledgeable, and every piece of advice she gave was meticulous and thoughtful. I really enjoyed talking to her about skincare. Everyone here is so warm and friendly .
Sally Yang
2 reviews
Ling was absolutely amazing! She is so friendly, kind, and welcoming. She made the whole experience so enjoyable and comfortable. Truly appreciate her warm personality and excellent service. Highly recommend!
Zara F. Bell
2 reviews
Absolutely amazing clinic. I was treated with the upmost care and respect. Felt like I've know them my whole life. The whole crew is amazing and so sweet! The service was impeccable by Dr. Dan Xu, she is literally the be…
Caroline Fan
8 reviews
I had a really pleasant visit at ID cosmetics today with Ling. I had my pico laser appointment today. Ling treated me with such kindness and care. She was really attentive prepping me for my treatment and checking in on…
Grace
Local Guide · 13 reviews
I got a treatment done by Ling today and she was super friendly and helpful. She made me feel very comfortable throughout the entire process from the beginning til the end and I’d like to get it done by her again next ti…
Yvonne H
Local Guide · 54 reviews
Ling was so kind and super precise. I loved her recommendations—felt like she just knew what I needed! Thank you!
Dou Xu
2 reviews
Ling is just amazing—so gentle and professional. She really knows her stuff! I felt super cared for. The whole experience? Honestly, so relaxing.
Yan Sun
3 reviews
Dr. Dan Xu is seriously amazing—so skilled and patient! Felt super at ease the entire time. The results? Wow, just wow.
Olivia W
3 reviews
Entrusting my face to Dr. Xu and her team is reassuring, and everyone's service attitude is super nice. The clinic environment is clean and elegant, and Dr. Xu is enthusiastic and professional. I have always trusted her…
Hana Yu
9 reviews
I have been here since 3 years ago, Dr.Xu is very professional and all the staff are very nice and patient. I highly recommend this place!
xiaojie chen
7 reviews
Susie has an incredibly caring attitude, and all of her suggestions were truly helpful. I really appreciated her support!
Jackie Tse
Local Guide · 18 reviews
Dr Xu is very friendly and professional. Appointment was made quickly and the consultants provided professional and helpful advice. After the procedure, the consultant provided advice on after care and treatment plans. H…
Grace
Local Guide · 13 reviews
I got a treatment done by Ling today and she was super friendly and helpful. She made me feel very comfortable throughout the entire process from the beginning til the end and I’d like to get it done by her again next ti…
Yvonne H
Local Guide · 54 reviews
Ling was so kind and super precise. I loved her recommendations—felt like she just knew what I needed! Thank you!
Dou Xu
2 reviews
Ling is just amazing—so gentle and professional. She really knows her stuff! I felt super cared for. The whole experience? Honestly, so relaxing.
Yan Sun
3 reviews
Dr. Dan Xu is seriously amazing—so skilled and patient! Felt super at ease the entire time. The results? Wow, just wow.
Olivia W
3 reviews
Entrusting my face to Dr. Xu and her team is reassuring, and everyone's service attitude is super nice. The clinic environment is clean and elegant, and Dr. Xu is enthusiastic and professional. I have always trusted her…
Hana Yu
9 reviews
I have been here since 3 years ago, Dr.Xu is very professional and all the staff are very nice and patient. I highly recommend this place!
xiaojie chen
7 reviews
Susie has an incredibly caring attitude, and all of her suggestions were truly helpful. I really appreciated her support!
Jackie Tse
Local Guide · 18 reviews
Dr Xu is very friendly and professional. Appointment was made quickly and the consultants provided professional and helpful advice. After the procedure, the consultant provided advice on after care and treatment plans. H…
Ready to begin your Salmon Meso (PDRN mesotherapy) journey?
Free 30-Minute Consultation: Dr. Xu will use VISIA redness zone analysis, skin barrier assessment, and salmon allergy screening to determine whether a PDRN-only approach, a combined PDRN + PN dual-track protocol, or a laser-assisted post-procedure repair pathway is most appropriate for you. No upselling. No pressure.
Book your Salmon DNA Mesotherapy (PDRN Skin Rejuvenation) at ID Cosmetic Clinic and experience advanced skin regeneration for a hydrated, radiant, and youthful glow.
Address:30 Gibson Dr, Units 113-117, Markham, ON L3R 2S3
Phone:905-477-2225
Free 30-Minute Consultation
Every consultation is conducted personally by Dr. Xu (Mon–Sat).
24 hr response · English/Chinese OK
Technology defines the possibilities. The physician defines the direction.
Identify with your own beauty.
