iS Clinical Super Serum Advance+Super Serum Advance+ is a scientifically advanced, clinically proven formula that, for the first time, combines a 15% concentration of our next generation L Ascorbic Acid (Vitamin C) with bioidentical Tripeptide 1 (Copper Tripeptide 1). Super Serum Advance+ also contains powerful botanical antioxidants and safe skin brighteners.
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