& Professional-C Serum 10% (0.17 oz) SET. Renew your skin with this emollient cream-based formula designed to work smarter, not make it harder. Professional C® Serum 10% is formulated with 10% L-Ascorbic Acid to help brighten and even skin tone, strengthen skin's antioxidant defenses and improve the appearance of fine lines and wrinkles without irritating skin.
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