Brighten It 10% Lactic Acid Solution gently improves skin tone and texture, resulting in a brighter overall appearance. Key ingredients include Alpha Hydroxy Acid and Lactic Acid, which exfoliate discolored skin cells while inhibiting the skin''s ability to produce discoloration. We recommend using this plant based brightening treatment on discolored, dull or rough textured skin, paired with Let There Be Light Brightening Serum. ClarityRx skin care products are paraben free and made in the USA without the use of harsh retinols, added synthetic, hydroquinone, Benzoyl Peroxides, and other harmful chemicals. INGREDIENTS: Purified Water, Lactic Acid.