Recommended for use after skin rejuvenating procedures such as microdermabrasion, chemical peels, or laser surgery. SkinCeuticals Skin System I Maintain Contains: C + AHA: This two-in-one antioxidant treatment works to help improve the appearance of aging skin both inside and out. Below the surface, a 15% concentration of pure L-ascorbic acid helps protect against damaging UVA/UVB rays, prevent premature signs of aging, and stimulate collagen production. Phyto +: This botanical gel for hyperpigmentation is an advanced lightening formula combining four active ingredients to diminish discoloration and improve the overall health of the skin. Physical UV Defense SPF 30: Optimal for sensitive or traumatized skin and safe for children, Physical UV Defense is a true broad-spectrum UVA/UVB sunblock perfect for daily use. Bonus Items: Gentle Cleanser: Formulated for sensitive or traumatized skin, this mild cream cleanser removes excess impurities and oil without drying the skin. Antioxidant Lip Repair: Two powerful antioxidants, vitamin E and silymarin, form an exclusive combination antioxidant therapy for the lips. Skin System Bag. Purchase this Skin System and save $44 compared with purchasing the individual items separately