Reduce discolorations and promote an even skin tone with this spot-treatment serum with kojic and azelaic acids, perfect for those sensitive to hydroquinone. Key Benefits 3 Hydroquinone-free formula for those who are unable to tolerate hydroquinone 3 Highly effective for all types of uneven skin tone Key Ingredients + Lactic Acid – an alpha hydroxy acid (AHA) naturally found in milk and sugars. It is part of the skin’s natural moisturizing factor (NMF) and moisturizes the skin. + Phenylethyl Resorcinol – an antioxidant derived from resorcinol that promotes an even skin tone. + Azelaic Acid – helps promote a clear complexion and even skin tone. + Kojic Acid – helps promote an even skin tone. + Glutathione and Silybin – potent antioxidants.