How does CSI Vitamin C + 12% Youth Serum work? Vitamin C + 12% Youth Serum contains 12% vitamin C serum making it a stable and powerful antioxidant that stimulates cell renewal and the production of both collagen and elastin;Cosmeceutical Sciences Institute (CSI)

• CSI Vitamin C + 12% Youth Serum -- 1 fl oz
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CSI Vitamin C + 12% Youth Serum -- 1 fl ozCosmeceutical Sciences Institute (CSI)