Great for all skin types, C-ESTA Serum is a powerful antioxidant cocktail, featuring Vitamin C and DMAE, shown to reduce the appearance of fine lines and wrinkles and uneven skin texture. Preferred by subjects in a blinded split-face study vs. a leading vitamin C solution, C-ESTA Serum is the preferred antioxidant, DMAE and vitamin C face serum for younger, healthier looking skin.