Retin a is one of the safe and popular topical materials for reducing wrinkles, treating mild to moderate acne, acne scars, hyperpigmentation and other minor skin discolorations. Retinol is a powerful exfoliator and has been shown to help improve cell turnover in the epidermis. Skin cream products with retinoid also have been shown to improve skin texture, which can be particularly beneficial for those with aged, dry or textured skin.