Formulated with kojic and azelaic acids, plus lactic and citric acids to effectively target various types of hyperpigmentation. An ideal choice for those with sensitive skin or those allergic to hydroquinone. Directions: After cleansing and toning, apply a small amount to fingertips, smooth over affected area and allow to penetrate. Follow with the appropriate PCA Skin sunscreen moisturizer in the daytime and nourishing moisturizer in the evening. May be used day and/or night. Net Weight: 1 oz. Ingredients: Witch Hazel, Castor Oil Methyl Glycol, Kojic Acid, Lactic and Citric Acids (pH adjusters), Cellulose.