Cosmedica Skincare 79% Vitamin C Power Serum Delivers Deep with an Ideal 3.5 PH and Zero Preservatives, The Most Powerful and Effective Vitamin C Serum. Our 79% Vitamin C Power Serum is professionally formulated to have the absolute highest concentration of L Ascorbic Acid, a potent antioxidant clinically proven to reverse the signs of aging, help renew collagen, enhance elasticity of skin. This Power Serum is designed to be safe, effective, and GUARANTEED to be non-irritating to even the most sensitive skin. Our serum is able to deliver L Ascorbic Acid deeper into skin to stimulate the production of collagen resulting more vibrant skin, firmer and youthful appearance, reduce the appearance of fine lines and wrinkles and brighter complexion. Cosmedica Skincares 79% Vitamin C Power Serum is different since it arrives in a two-part kit, seven dehydrated beads containing 79% L-Ascorbic Acid, that are freeze dried to preserve its effectiveness just before use and an instant activating serum. Our Power Serum is 100% Preservative Free, since each application is mixed and applied just before use the product is unaffected by oxidation, stable and the freshest serum available. This Power Serum is a booster that can be used alone or in conjunction with your current Vitamin C regiment to deliver results faster, deeper and longer. 79% Vitamin C Power Serum is not intended to replace your current serum or to be used daily. Our 79% Vitamin C Power Serum is formulated to deliver with prolonged reservoir effects, since it absorbs immediately and remains active for more than 72. This means you not only receive benefits immediately but continually for up to three days. The 79% Vitamin C Power Serum penetrates deeper than most daily serums deliverying highly pure L-Ascorbic Acid needed for collagen production and a healthy vibrant complexion. Upon completion of the seven day treatment users may extend the effects with their daily vitamin c serum.