SKIN CONDITION GUIDE
Square Jaw Slimming in Seoul
QUICK ANSWER
A square jaw from a bulky masseter muscle slims with jaw Botox over 4–8 weeks, lasting 4–6 months. If the width is bone, Botox will not change it, so Dr. Yang checks first; lifting and ONDA can refine the remaining contour.
Dr. Yang Jung-hwa, MD — board-certified dermatologist, Seoul National University
Signs and symptoms
- Wide lower face, firm muscle when clenching
What causes it
Masseter hypertrophy from clenching or chewing.
How Dr. Yang treats it
Relax the muscle; refine contour.
Recommended treatments
Get a personal plan
Send photos and your dates in Seoul. A board-certified dermatologist reviews them and suggests a plan.
Frequently asked questions
How many units for jaw Botox?
November 2026
General information only, not a diagnosis. Treatment is decided at consultation with a board-certified dermatologist.
Board-certified
Diagnosis by an SNU-trained dermatologist, not a menu.
Measured
Mark-Vu imaging tracks your progress over time.
Combined
15 devices so the plan fits the cause.
Travel-ready
Plans built around your days in Seoul.
Let a dermatologist look at your skin
Send photos and your travel dates for a personal plan.