Vitamin C Serum

Optimum SkinCare Verified independent store

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20% pure Ascorbic Acid. Promotes superior collagen production. Patented cold water processing, resulting in the most stable VITAMIN C available. Paraben free. 3.5 pH. Use In PM two to three times a week. After cleansing, apply three to four drops to face and neck area. Slightly glossy appearance, but will disappear once absorbed Pat gently into skin. Show more