The Jan Marini C-ESTA Face 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 versus a leading Vitamin C solution, Jan Marini C-ESTA Face Serum is the preferred Vitamin C and antioxidant solution for younger, healthier looking skin. Available in a 1 oz. pump bottle.