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0.10 KGS
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Product Description



  • Work for old and new scars from cuts, surgery, acne or burns
  • Are from the #1 doctor1- and pharmacist- recommended brand for scars
  • Are clinically shown to improve the color, texture and overall appearance of scars, making them softer, smoother and less noticeable

Scars form on the skin through a three-stage process and this process can last up to two years after an injury. Many scientists are studying this wound-healing process in an attempt to find something that will make scars less visible. It is widely recognized that wounds heal best under moist conditions -- the skin fills in faster and scars are less visible.

In 2001, a study showed that onion extract used on rabbit ear scars improved collagen organization but didn't lead to a difference in scar appearance. So far, there have been three major controlled clinical studies in the United States evaluating the effect of onion extract on human wound healing. In all three, scars treated with onion extract did not show any improvement compared to scars treated with petroleum jelly. In fact, scars treated with petroleum jelly improved better than those treated with onion extract.

Based on these results, I do not recommend Mederma as a treatment for scars. You're probably better off just using petroleum jelly.


Shih, Richard, and Joshua Waltzman. "Review of Over-the-Counter Topical Scar Treatment Products." Plastic and Reconstructive Surgery (2007): 1091-5.

Zurada, Joanna, David Kriegel, and Ira Davis. "Topical treatments for hypertrophic scars." Journal of the American Academy of Dermatology 55(2006): 1024-31.



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