Retin-a: Uses, Side Effects, Dosages, Precautions

Thus, topical tazarotene has been shown to offer efficacy in ameliorating multiple results of photodamage. Study 1 involved a 3-month therapy with a mixture of retinol (0.07%) and vitamin C (3.5%) utilized twice daily in eight volunteers. After the 3-month therapy, histological modifications corresponding to thinning of stratum corneum, thickening of the viable dermis, and