Discontinued PhytoCeuticals Phyto-C Signature Serum 1 fl oz $275.00 Phyto-C Signature Serum is an advanced aging skin and anti-wrinkle serum. utilizes a high molecular weight hyaluronic acid to instantly hydrate and penetrate the stratum corneum delivering IMPA complex, a proprietary blend of glycoproteins and... Add to Cart Add to Wish list Compare