The PCA Skin Pigment Gel HQ Free is a spot-treatment serum that promotes an even skin tone and texture and works to alleviate the signs and symptoms of hyperpigmentation in the skin. The Pigment Gel is hydroquinone-free, ideal for those with sensitive skin and/or sensitivity to the ingredient. The Gel is formulated with Azelaic Acid to help promote a clear complexion and an even skin tone, Kojic Acid to promote a clear and smooth skin surface, and Phenylethyl Resorcinol an antioxidant that promotes a balanced, even skin tone. This pigment gel is highly effective for all skin types and forms of discoloration including hormonal and sun-induced.