RHA Vit C Serum, Skin PerfectorThis vitamin C skin perfector combines the action of RHA Resilient Hyaluronic Acid technology with VC IP (Ascorbyl Tetraisopalmitate), a new generation of vitamin C, which is stable and easily tolerated by the skin so it can deliver its impressive collagen boosting and free radical fighting benefits deep within the lower layers of the skin. This advanced formula also feature Pyruvic Acid which supports and enhances the action of VC IP. RHA Vit C Serum