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In Depth Info About Emu Oil Cosmetic Ingredients Retin-A and Renova Retin-A is
a Vitamin A acid (tretinoin is the active ingredient) approved by
the FDA. Renova is the lotion form of Retin-A. It reduces fine wrinkling,
uneven pigmentation, and rough skin texture. It also increases the
amount of collagen and normalizes skin cells by changing the way they
are formed in the layers of skin as well as in the pore. Retin-A is
very harsh on the skin during the first week or so of use. The skin
eventually adapts and the results can be dramatic. It causes severe
sun-sensitivity therefore sunscreen and a big hat are absolutely necessary.
Differin is a retinoid less irritating to the skin than Retin-A but
is considered not as effective.
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