Concentrated customizable nighttime Retinol treatment cream accelerates skin renewal and reduces the appearance of skin aging. Active 0.5% microencapsulated pure Retinol helps increase cell turnover. Powerful peptides and antioxidant Vitamin C help reduce uneven skin tone and discoloration. Formulated with a clinically-proven bioenergized Copper amino acid complex shown to visibly reduce wrinkles and improve skin firmness. Ceramides and active Polysaccharides hydrate and prevent water loss in the skin, helping soften fine lines. Includes a moisturizing Buffer Cream to help acclimate skin to this highly-active form of Retinol. For best results, mix Overnight Retinol Repair with Buffer Cream and apply to cleansed skin at night, when cell renewal is at its prime. Once your skin is acclimated, you may use Overnight Retinol Repair prior to or mixed with your prescribed Dermalogica moisturizer.