PCA Skin1 fl oz / 29.5 mLLighten all forms of hyperpigmentation and discoloration with this spot-treatment serum with hydroquinone that delivers brilliant results.Pigment GelSKU: OY4p2d17736303$57.00PriceQuantityAdd to CartSkin TypesNormal, combination Skin ConcernsDiscolorations Easy Application StepsAfter cleansing, spot-treat with a thin layer and allow to penetrate. Follow with the appropriate broad spectrum SPF product in the daytime and moisturizer in the evening. Ingredients Hydroquinone – lightens existing and prevents future hyperpigmentation. Phenylethyl resorcinol – an antioxidant that promotes an even skin tone. Azelaic acid – helps promote a clear complexion and an even skin tone. Kojic acid – helps promote an even skin tone.