A double chin is fullness under the jaw caused by fat, loose skin, or both. At Doje Clinic, common treatment options include Fat-Dissolving Injections, Shurink Universe, Ultherapy, chosen after a dermatologist's assessment.
Medically reviewed by [DOCTOR NAME], board-certified dermatologist · Doje Clinic, Apgujeong, Seoul · Last reviewed November 2026
What is double chin?
A double chin is fullness under the jaw caused by fat, loose skin, or both.
What causes it?
- genetics
- weight gain
- skin laxity
- posture
How we treat double chin
Fat-dominant double chins respond to fat-dissolving injections; laxity-dominant ones respond to HIFU or RF; many patients benefit from both.
Treatment options compared
| Treatment | Downtime | Sessions |
|---|---|---|
| Fat-Dissolving Injections | Swelling and tenderness for several days | Usually 2–4 sessions, 2–4 weeks apart |
| Shurink Universe (Korean HIFU) | Minimal | Often 1–3 sessions spaced 4–6 weeks; maintenance every 4–6 months |
| Ultherapy (HIFU Lifting) | Little to none; mild redness or swelling for a few hours to days | Usually 1 session; many patients repeat yearly |
| InMode Forma (Bipolar RF Facial) | None | Series of 4–6, weekly |
At-home care
- healthy weight
- posture awareness
When to see a dermatologist
Rapid neck swelling or lumps should be checked by a doctor.
Key facts
| Concern group | Contouring |
|---|---|
| Main causes | genetics, weight gain, skin laxity |
| First-line options | Fat-Dissolving Injections, Shurink Universe, Ultherapy |
| Consultation | Required to confirm diagnosis and plan |
Patient questions
Frequently asked questions
What is the best treatment for double chin?
It depends on the cause and your skin. Options often include Fat-Dissolving Injections, Shurink Universe, Ultherapy. Fat-dominant double chins respond to fat-dissolving injections; laxity-dominant ones respond to HIFU or RF; many patients benefit from both..
What causes double chin?
Common causes include genetics, weight gain, skin laxity, posture.
Can double chin come back after treatment?
Some concerns are controlled rather than cured. Sun protection, skincare and maintenance help results last.
When should I see a doctor about double chin?
Rapid neck swelling or lumps should be checked by a doctor.
Your skin plan, designed in Apgujeong
English-speaking consultations · Written quotes · Aftercare you can take home
Medical information on this page is general and educational. Results, downtime and suitability vary by individual. A consultation with a Doje Clinic physician is required before any treatment.