Cellex-C Advanced C Serum is a lightweight, oil-free, aqueous solution containing a high concentration of Cellex-C Complex signature ingredients, plus powerful free-radical scavengers and natural collagen protectors. Cellex-C Advanced C Serum contains 17.5% vitamin C in a combination of free form and hydrolized ascorbic acid to maximize visible benefits to the skin in the shortest possible time. Benefits:High levels of L-ascorbic acid—both free-form and hydrolized—coupled with powerful anti-oxidant protection make this formulation the most important skin saving product in your daily skincare regime. Regular use may dramatically reduce the visible signs of aging—fine lines, wrinkles, age spots and sagging skin. Can help you look 5 to 10 years younger. Helps increase the elasticity and resilience of the skin to greatly reduce the appearance of lines and wrinkles. Treated skin will gradually appear firmer and smoother with improved texture, tone and overall radiance.