The Hydrating Serum gives the worlds favourite Hydrating ingredient, Hyaluronic Acid, the stage to showcase how powerfully it can overcome the dry environments that our skin endures. Dry climates, air-conditioning and heating, air travel, an outdoors lifestyle are all counterbalanced by using this serum. This is a great serum to use following home rolling or professional microneedling (Skin Needling). 15ml