Product Desc.This extra strength formulation is ideal for experienced users of Glycolic Acid and those who prefer a light, non-greasy and fast-absorbing gel suitable for oily, acne prone skin or hot, humid climates. Glycolic Acid helps correct the visible signs of photoaging such as enlarged pores, uneven texture and pigment, and stimulates collagen synthesis for firmer, younger looking skin. As a highly effective exfoliant, this formula can also be used to help relieve ingrown hairs associated with pseudofolliculitis barbae. Oil-free. Fragrance-Free. Dye-Free. Paraben-Free. Paba-Free. Formulated with 15% Glycolic Acid. Size: 3.4 fl oz. bottle pH 4.1How to useApply to face and other desired areas once daily for two weeks and twice daily thereafter, following cleansing, as tolerated. Daily use of a sunscreen with this product is recommended. IngredientsWater (Aqua), Alcohol Denat., Glycolic Acid, Propylene Glycol, Ammonium Hydroxide, Polyquaternium-10, Tetrasodium EDTA.