Dermalogica Skin Renewal Booster is a Hydroxy Acid concentrate of wrinkle-fighting Lactic Acid, Salicylic Acid and Hibiscus Extract and stimulates cell renewal, exfoliates dead skin cells and improves skin texture. Soothing Aloe, Chamomile and Cornflower hydrate the skin. Vitamins A and C help reverse signs of photo-aging. This anti-aging skin care product contains no artificial fragrance or color. Professional recommendation advised. 1 oz / 30 mL Directions - Apply Skin Renewal Booster to clean skin and gently massage until completely absorbed. Follow with your recommended Dermalogica moisturizer. Skin Renewal Booster by Dermalogica work especially well when used in conjunction with other Dermalogica products such as Barrier Repair, Skin Smoothing Cream, and Daily Microfoliant. Please visit our section on Dermalogica to view the entire product line.