Developed with dermatologists, cerave skin renewing nightly exfoliating treatment is an aha serum with a 5% blend of glycolic acid and lactic acid for gentle exfoliation to help smooth fine lines, accelerates skin surface cell renewal and clear away dead skin cells, without causing flaking and or redness. Apply in the evening to clean skin. Apply a thin layer and allow to dry before applying cerave night cream. To protect skin from sun exposure, use cerave face lotion with spf 30 during the day. ;non comedogenic;paraben free;fragrance free;suitable for all skin types key ingredients glycolic acid and lactic acid ahas formulated with 5% aha blend to gently exfoliate and increase surface celluar turnover for visibly smoother, radiant skin ceramides essential for healthy skin, ceramides help restore and maintain the skin natural barrier; mve technology this patented delivery system continually releases moisturizing ingredients for 24 hour hydration;hyaluronic acid this ingredient attracts hydration to the skin surface and helps the skin retain moisture licorice root extract known to help brighten the appearance of skin