Peter Thomas Roth Potent Skin Lightening Gel Complex w/Hydroquinone.A gel formulated for all skin types especially normal, aging, oily and problem skin. Not recommended for sensitive skin. Contains the skin brightening properties of kojic and azelaic acids. Combined with sun avoidance gradually lightens dark (brownish) spots such as freckles and age spots or pigment in the skin that may occur in pregnancy or from use of oral contraceptives. Contains oil free penetrating hydroquinone (2%).