A member asked:

What kind of retin a (tretinoin) is best for stretch marks?

5 doctors weighed in across 2 answers

Highest potency: Retin-a belongs to the "retinoid" family of medications, which might help improve the appearance of stretch marks by stimulating new collagen synthesis. Retin-a (tretinoin) comes in several vehicles (cream, gel) and concentrations. Retin-a 0.1% gel is the highest potency currently available. Another retinoid, tazorac (tazarotene) is more potent than tretinoin and might be better for stretch marks.

Answered 7/20/2016

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Nothing: Stretch marks are tears in the skin cause by weight gain. They can be covered up, but not improved by creams and lotions. The only possibly effective therapy is cosmetic plastic surgery, but that's a big step for a non-health and non-life threatening problem.

Answered 12/29/2022

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