The perfect elixir for aging and sun damaged skin. This Vitamin C serum is a concentrated delivery system for the highest form of active, bio-available Vitamin C. The Vitamin C in our formulation is Stay C 50, a stabilized sodium salt of L-ascorbic acid. Also contains the collagen production boosting properties of the amino acid Arginine. This serum works wonders to repair the effects of sun damage, lighten sun and age spots, and smooth and brighten for more beautiful skin.