Skin Chemists Hydrating SerumSkin Chemists Hydrating SerumOur Skin Chemists Hydrating Serum is a luxurious cocktail of ingredients specifically selected to target dehydrated skin. Our 2 key ingredients are Polyglutamic Acid at 1% inclusion and Vitamin C at 3% inclusion.Polyglutamic Acid is significantly more hydrating than Hyaluronic Acid. In this formula we are using Polyglutamic Acid with the aim of giving your skin the appearance of deep moisturization.Vitamin C in this formulation is used with the aim of giving the temporary appearance of a brighter complexion, and for its collagen building characteristics.