It protect the skin from free radical damage using the powerful antioxidant benefit of fresh, chirally corrected vitamin C. Mix with any Makeup product to firm the skin and prevent premature signs of aging. Series: Pure C Vitamin C Mixing Crystals. Gender: Unisex. Category: Skin Care. SubType: Setting Sprays & Powders Powder. Beauty group: Face. Size: 0.2 oz. Barcode: 847137020323. Pure C Vitamin C Mixing Crystals by CosMedix for Unisex - 0.2 oz Powder.