Topical Retinoids are derived from Vitamin A.  Of all topical medications used to rejuvenate the skin, retinoids have the most clinical and scientific evidence supporting their use.  Retinoid therapy has consistently been shown to reverse sun damage, reduce wrinkling, and minimize brown spots.  The mechanism of actions of retinoids include the inhibition of the UV-induced upregulation of matrix metallopriotienases and other enzymes that are triggered by ultraviolet light and then degrade the skin.  Regular nightly use of retinoids combined with diligent use of sun screen (especially those containing zinc oxide) may reduce the incidence of pre cancers and skin cancers. 

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Bay Oaks Dermatology
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