Plastic Surgery · Concern
Loose Skin After Weight Loss: Causes and Treatment Options
Loose skin is common after losing a lot of weight. When skin has been stretched for a long time, the fibers that keep it firm are damaged and cannot fully shrink back. After small to moderate weight loss, skin often tightens on its own. When loose skin is large or bothersome, surgery can remove it.
Why Does Skin Stay Loose After Weight Loss?
Two proteins keep skin firm and elastic: collagen, which makes up about 80% of the skin's structure, and elastin. When skin stays stretched for a long time, these fibers are damaged and lose some of their ability to pull back. The amount of loose skin depends on:
- 01
How long you carried extra weight
- 02
How much weight you lost, and how fast
- 03
Your age, as older skin has less collagen
- 04
Your genes
- 05
Sun exposure, which reduces collagen and elastin
- 06
Smoking, which damages collagen
Where Loose Skin Shows
The belly is the area most people want treated. In women, the breasts and belly are the areas most often treated, and after very large weight loss the upper arms and thighs often follow. In men, the belly, chest and neck are the most common concerns. Skin can also hang loose around the hips and buttocks.
How Loose Skin Can Affect Daily Life
Not everyone is bothered by loose skin. For some people, it mainly affects comfort:
Daily Life
Clothes can be harder to fit
Skin can rub when you walk or exercise
Moisture can collect in skin folds and irritate the skin
It can affect how you feel about your body
How to Tighten Loose Skin After Weight Loss
After small to moderate weight loss, skin often tightens on its own over time. Strength training builds muscle, which may help your body look firmer, but it does not remove loose skin. Creams cannot replace the collagen and elastin that keep skin firm. Non-surgical skin-tightening treatments, such as radiofrequency or ultrasound, carry fewer risks, but their results may be less noticeable than surgery. After major weight loss, surgery may be needed to remove the skin.
When Is the Right Time for Surgery?
A Good Time for Surgery
- You have reached your goal weight and kept it stable for at least 3 to 6 months
- You eat well, with enough protein
- You have told your surgeon about any past weight loss surgery and the medicines you take
Better to Wait
- Your weight is still changing, which can affect the results
- You may lose a lot more weight later, which may mean another operation
- You have a skin infection in the folds, which should be treated first
When to See a Doctor About Loose Skin
A doctor can help if loose skin is causing problems. Make an appointment if any of these sounds familiar.
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Loose Skin After Weight Loss: Frequently Asked Questions
Does losing weight slowly prevent loose skin?
It may help. Losing a large amount of weight quickly usually leaves more loose skin than losing weight more gradually, and the faster weight comes off, the thinner and less resilient the skin may be. How much loose skin you have also depends on how much weight you lose and on your age and genes.
Will my skin stay tight after surgery?
The removed skin does not come back, but the remaining skin can loosen a little once the swelling goes down. Keeping your weight stable after surgery helps protect the result.
How long is recovery from skin removal surgery?
It depends on the surgery and on how many areas are treated at once. Recovery can take from a couple of weeks to 6 to 8 weeks or more. Plan for someone to help you at home, and protect your scars from the sun while they heal.
Sources
Loose Skin After Weight Loss
Healthline · healthline.com
Body Lift
American Society of Plastic Surgeons · plasticsurgery.org
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