What are benefits of retinol? Retinol increases cell turnover, which not only assists in diminishing the signs of aging but also reduces the buildup of dead skin cells, to keep the pores clear and reduce acne breakouts. It stimulates collagen production and regulates MMPs, helping to protect and repair photo aged and naturally aged skin. Retinol has also been effective in treating keratosis pilaris. The result is a reduction in the appearance of wrinkles and fine lines, an im