How to Fix Skin Laxity After Weight Loss in Seoul: Doctor-Led Options
Losing weight quickly, including with GLP-1 medicines, can leave the face hollow and the skin loose. Our physicians combine tightening devices with collagen-stimulating volume to restore support, and say honestly when excess skin needs a plastic surgeon.
Thermage FLX Master Doctor · Updated October 2026
What causes loose skin after weight loss?
Skin laxity after weight loss happens when skin that was stretched for a long time cannot fully shrink back once fat is lost, and facial fat pads that gave support disappear. Mild to moderate facial laxity usually responds to tightening devices plus collagen-stimulating volume over a few months; large folds of excess skin need surgery.
Skin contains collagen for strength and elastin for recoil. When fat is gained, skin stretches to cover it; if this lasts years, the fibres are damaged and lose their spring. After weight loss the skin is larger than what it now covers, so it folds and sags. Age, sun damage, smoking and genetics all reduce how well it recovers.
In the face, weight loss also removes the deep fat pads that hold the cheeks up and fill the temples, so the face can look gaunt and older very quickly. This is often seen with rapid loss on GLP-1 medicines. Good results usually need two things: tightening energy to firm the skin and its support layer, and gradual volume to replace what was lost.
Signs these treatments can help
- Weight has been stable for at least a few months
- Cheeks or temples look hollow and the face looks older
- Soft jowls or loose skin under the chin after weight loss
- You want a natural, gradual change without surgery
When to see a specialist first
- Large hanging folds of skin on the body, which usually need surgical body contouring with a plastic surgeon
- Weight that is still changing quickly: treatment works best once your weight is stable
- Unexplained weight loss without trying, which needs a medical check with your doctor first
Why skin stays loose after weight loss
Overstretched skin
Years of stretching damage collagen and elastin, so recoil is weak.
Loss of facial fat pads
Cheek and temple fat that held the face up disappears.
Speed of weight loss
Rapid loss, including on GLP-1 medicines, gives skin little time to adapt.
Age and sun damage
Older or sun-damaged skin has less collagen to rebuild with.

Tightening cases at our clinic
These cases show the kind of firming radiofrequency tightening can give the lower face. These photos show Thermage FLX cases at our clinic, one of the treatments we may combine for this concern.
- Firmer-looking skin along the jaw
- Smoother contour of the lower face
- Change builds over 2–6 months
Results vary between individuals. See more Thermage FLX results · All before & after photos
How we treat loose skin after weight loss at our clinic
- Doctor assessment. We check how much is loose skin, lost volume or sagging of the deeper support layer.
- Tighten the skin. Thermage FLX heats the deeper dermis to firm the skin and improve texture.
- Lift the support layer. Ultherapy Prime targets the deeper SMAS layer for jawline and brow lift where needed.
- Restore volume gradually. Juvelook Volume or Sculptra adds soft support to hollow cheeks and temples over months.
- Review and maintain. We review progress and plan maintenance, with follow-up on Instagram after you fly home.
Aftercare
- Normal activity the same day after device treatments
- Avoid massaging injected areas for about a week
- Keep your weight stable to protect the result
- Use sunscreen daily and keep up protein intake
Possible side effects
Device treatments can cause short-lived redness, swelling or tenderness. Collagen-stimulating injectables can cause swelling, bruising and, rarely, small nodules. Results are gradual, and very loose skin may improve only partly without surgery.
Laxity after weight loss price in Cheongdam
September 2026 program prices in Korean won, excluding 10% VAT. Korean and international patients pay the same price.
| Package | Price (KRW, excl. VAT) |
|---|---|
| Thermage FLX 600 shots + Rejuran or Juvelook Skin Numbing option included | ₩2,500,000 |
| Ultherapy 400 shots + Thermage FLX 600 shots Combination package | ₩3,390,000 |
| Juvelook Volume full face 6cc Single session | ₩550,000 |
| Juvelook Volume full face 6cc 3-session package | ₩1,350,000 |
See the full Laxity after weight loss price breakdown, the complete price list, or how we keep pricing transparent.
Performed by a physician, every time
Our physicians treat post-weight-loss laxity layer by layer, and our Medical Director is a Thermage FLX Master Doctor.
- Combined plan for skin, support layer and volume
- Genuine tips, with shot count shown
- Honest advice when surgery would suit better
Dr. Youjin Kim
Residency at Seoul St. Mary’s Hospital (Catholic University of Korea). Thermage FLX Master Doctor; Titanium Lifting, Juvelook and Corage Key Doctor.
Dr. Minjeong Kim
Korea University College of Medicine; Family Medicine training at Asan Medical Center. Board-certified Family Medicine Specialist.
Treatments that address loose skin after weight loss
| Option | Best for |
|---|---|
| Thermage FLX | Firming loose, crepey skin on the face, eyes and neck |
| Ultherapy Prime | Lifting the deeper support layer along the jaw and brow |
| Juvelook Volume | Gradual volume for hollow cheeks and temples |
| Sculptra | Longer-term collagen volume for a gaunt face |
Frequently asked questions
Can loose skin tighten without surgery?
Mild to moderate facial laxity often improves with tightening devices and collagen stimulators. Large folds of excess skin, especially on the body, usually need surgery.
I lost weight on a GLP-1 medicine. Can you help?
Yes. Many patients after rapid weight loss need both tightening and gradual volume. We plan treatment once your weight has been stable for a while.
How long until I see results?
Some firmness can show soon after treatment, but collagen builds over 3–6 months, so the full effect is gradual.
Is there downtime?
Device treatments usually have none. Injectables may cause swelling or bruising for a few days.
How much does it cost?
Thermage FLX starts at ₩1,300,000 and Juvelook Volume full face 6cc is ₩550,000, excluding VAT. Foreigners pay the same published price.
Get your personal plan after weight loss
Tell us your goals and travel dates on Instagram. We reply in English with a doctor-reviewed plan and exact price.
This page is for general information and does not replace a medical consultation. Results vary between individuals, and all procedures can cause side effects such as redness, swelling or bruising. Thermage® is a trademark of Solta Medical. Ultherapy® is a trademark of Merz North America, Inc. Sculptra® is a trademark of Galderma. Prices are Cheongdam Peau Rêve Clinic's September 2026 program prices in Korean won, excluding 10% VAT.










