Stretch marks (striae distensae) appear during pregnancy and are a nuisance for patients and physicians because, they are so easy to diagnose, but so difficult to treat effectively.
-creams sold on the market are safe, but yet have to be shown scientifically to be effective.
-recent stretch marks are red and the colorr could be faded by laser treatments.
-some dermatologists recommend the use of vitamin A (tretinoin) derived creams. The objective would be to induce the synthesis of collagen.
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Source of information: here