Prescription strength AmLactin 12% Moisturizing Lotion contains 12% lactic acid in a smooth lotion base. Lactic acid, an alpha hydroxy acid, is a natural and extremely effective moisturizing agent that provides rich moisture without irritation. With a pH balance of 4.5 - 5.5, this lotion is ideal for all skin types. Skin is comforted and hydrated with a silky, smooth texture. Due to a manufacturer packaging change, item received may vary from photograph.