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Wide Face Slimming in Seoul Without Surgery

Quick answer

A wide-looking face can often be slimmed without surgery by treating the soft-tissue causes: enlarged jaw muscles with masseter Botox, excess lower-face fat with Onda microwave energy, and loose contours with lifting. At The Heal in Jamsil, Seoul, a board-certified dermatologist first identifies which factor drives your width. Most options have little or no downtime, and results vary. Send a front-facing photo on KakaoTalk for a slimming plan.

Medically reviewed by Dr. Yang Jeong-hwa , board-certified dermatologist · Updated October 2026

Woman with a slimmer face contour after non-surgical treatment in Seoul
Best options

Jaw Botox + Onda

Sessions

1–3

Downtime

None to mild swelling

Timeline

4–12 weeks

What makes a face look wide?

Facial width comes from a combination of bone, muscle, fat and skin. The main contributors that dermatology can influence are:

  • Masseter muscles: enlarged chewing muscles widen the lower face, especially in people who clench or grind.
  • Buccal and jowl fat: fullness in the lower cheeks and along the jaw rounds the face.
  • Skin laxity: sagging tissue spreads outward and blurs the contour.
  • Fluid retention: salt, alcohol and poor sleep can make the face look puffy.

Wide cheekbones and a broad jaw bone are structural and need surgical approaches, which are outside dermatology.

How a dermatologist assesses facial width

Dr. Yang examines your face from the front, at an angle and in profile. She palpates the masseter while you clench, gently pinches the lower cheeks to judge fat, and checks skin elasticity and jowl formation. She also considers face length, chin projection and cheekbone width, because proportions matter as much as absolute width. A short chin, for example, can make a face look wider than it is. This assessment determines which combination of treatments will create a narrower, more oval impression and which factors are best left alone. Photos from several angles document your starting point.

Treatment options at The Heal, ranked by suitability

  1. Masseter Botox: jaw Botox slims a muscular lower face over several weeks with no downtime.
  2. Lower-face fat reduction: Onda targets stubborn fat along the cheeks and jaw.
  3. Contour lifting: jawline lifting with Ultherapy Prime or Alltite tightens loose tissue for a sharper outline.
  4. Proportion balancing: chin filler can lengthen the face so it reads as narrower.

Most patients combine two of these; Botox and fat reduction are often done on the same day, with lifting added if laxity is present. The exact combination is reviewed after the first few weeks as results appear.

Home care and daily habits

Reduce salty and processed food, especially in the evening, and limit alcohol, both of which cause facial puffiness. Sleep with your head slightly elevated if you wake up swollen. If you clench or grind, ask your dentist about a night guard and avoid chewing gum. Maintain a stable weight, as the face often gains fat early. Gentle lymphatic massage may reduce morning puffiness temporarily, but it will not shrink muscle or fat. Contouring makeup along the jaw and cheek hollows can visually narrow the face in the meantime. Good posture in photos, with the chin slightly forward, also helps.

Safety, downtime and when to see a doctor

Masseter Botox and Onda are well-established, non-invasive treatments. Expect mild chewing fatigue for a few weeks after Botox and temporary swelling or tenderness after Onda. Treatments are postponed during pregnancy, with active infection, or certain neuromuscular conditions. New, one-sided facial swelling, especially with pain or fever, may signal a salivary gland or dental problem and should be checked medically. Slimming results appear gradually, so plan with realistic timing; book a slimming consultation early in your trip and read how Onda reduces fat . Results vary between individuals.

The Heal approach

We separate muscle, fat and laxity before treating a wide face, so each treatment targets what actually creates width for you.

Expert review

Dr. Yang Jeong-hwa

Medical Director · Board-certified dermatologist · Seoul National University College of Medicine

Written for international patients and reviewed for medical accuracy. Individual results vary; your plan is decided in person after a skin assessment. Our review policy

Visit us

The Heal Dermatology Clinic Jamsil
4F, 329 Olympic-ro, Songpa-gu, Seoul, Korea
5 min walk from Jamsil Station (Line 8), Exit 9

Mon & Fri 10:00–20:00
Tue–Thu 10:00–19:30
Sat 09:30–16:00 · Sun & holidays closed

+82 2-417-1102

International patients

Visiting Seoul? Get your plan before you fly.

English consultations with a board-certified dermatologist, 5 minutes from Jamsil Station. Treatments are scheduled around your downtime and flights. International patient guide

1

Message us

Concerns, optional photos and travel dates via form or KakaoTalk.

2

Get your plan

Suggested treatments and timing around your flights.

3

Consult & treat

In-person assessment with Dr. Yang in English, then treatment.

Frequently asked

Wide Face: your questions answered

  • Can a wide face be made slimmer without surgery?

    Yes, when width comes from muscle, fat or loose skin. Masseter Botox, fat reduction and lifting can create a noticeably slimmer outline. Width from bone structure cannot be changed with non-surgical treatments.

  • Which works faster, jaw Botox or Onda?

    Both are gradual. Jaw Botox shows slimming at around four to eight weeks, while Onda fat reduction develops over several weeks as the body clears treated fat cells. Results vary between individuals.

  • Will my face look hollow after slimming?

    Not with a careful plan. Dr. Yang reduces width selectively and avoids over-treating the mid-cheek, where volume keeps the face youthful. If needed, small amounts of volume can restore balance.

  • How long do face slimming results last?

    Jaw Botox lasts around four to six months per session, while fat reduction can be long lasting if weight stays stable. Lifting results commonly last about a year before maintenance.

English consultations in Jamsil, Seoul

A slimmer, more oval face without surgery

Send your photos and travel dates. We reply with a personalised plan before you fly.