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Summary and Key Features Niacinamide is a water-soluble, stable, low molecular weight vitamin that readily penetrates the stratum corneum. Niacinamide has been used topically in prevention of photodamage, reduction in acne, improvement in bullous pemphigoid, and treatment of rosacea and…
Summary and Key Features Retinoids are naturally occurring derivatives of betacarotene ascribed as vitamin A and its direct metabolites. Retinol has been studied extensively for topical treatment of photodamage and acne with currently marketed cosmetic products containing relatively low levels…