A lightweight, oil-free, aqueous solution containing a high concentration of Cellex-C Complex ingredients, plus powerful freeradical scavengers and natural collagen protectors. The most important skin saving product in your daily Skin Care regime. Series: Advanced-C Serum. Gender: Unisex. Category: Skin Care. SubType: Oil & Serums. Beauty group: Body. Size: 1 oz. Barcode: 626704400214. Advanced-C Serum by Cellex-C for Unisex - 1 oz Serum.