Only used once Gentle exfoliation & Effective cell turnover Periodic exfoliation and moisturization is essential for healthy skin: This product is a gentle, low-irritant exfoliator containing 5% Mandelic Acid. Key ingredients of this exfoliator (Panthenol, Centella Asiatica Extract, and Beta-Glucan) supply moisture to the skin after peeling and it also helps regulate sebum production. Mandelic Acid Skin Prep Water is recommended for those who are struggling with acne-prone skin, pores, dullness, and inflammation. Skin Types: Normal, Dry, Combination, Oily Skin Concerns: Pores, Dullness / Uneven Texture, Acne & Blemishes Good For: Exfoliating, Skin Smoothing