Dr. Xu's Real Patient Cases: Glabellar Lines / "11" Lines
The following four cases were personally treated by Dr. Dan Xu at our Toronto Markham clinic and are shared with signed media release authorization. The key to effective glabellar line treatment is not the dosage — it lies inPrecise placement — A placement error of just 1 mm can cause ptosis or an unnaturally stiff expression.


Case 1 · Glabellar Lines / "11" Lines — Documented Results
- Client profile
- Asian Female · Fitzpatrick IV
- Areas of concern
- Glabellar Lines / "11" Lines (Comprehensive Improvement with Multimodal Combination Therapy)
- Treatment plan
- Botox® + neurotoxin wrinkle treatment + forehead volumizing + Juvéderm® and 5 other procedures (multiple sessions within 3 months)
- Treatment outcome
- Visible improvement in glabellar lines / "11" lines · Natural overall result
- Post-treatment darkening
- No PIH
- Maintenance
- Annual energy-based maintenance treatment + at-home retinoid regimen
Case 01: Glabellar Lines / "11" Lines — Before & After · Asian Female · Fitzpatrick IV · Multimodal Combination Treatment led by Dr. Dan Xu (M.D., CCFP) at ID Cosmetic Clinic, Toronto · Markham

















































