Serum Yall-02Srum Yall~O2's innovative formulation is based on nano technology. Oxygenating vectors provide an intense treatment and instant effects which are prolonged with regular application. This replumping, regenerating elixir is rich in Hyaluronic Acid and antioxidant botanical extracts which restructures and protect the epidermis. Recommended for all skin conditions, particularly those with dehydrated and mature skin.