3 Step Hydration Serum SystemDeep hydration, barrier support and lasting nourishment for skin that always feels dry. This targeted three step system is designed to deliver hydration at every level of the skin. Hyaluronic Acid Serum replenishes moisture and helps attract water into the skin, Vitamin B Serum Complex supports barrier strength to improve moisture retention, and Rejuvenation Oil seals in hydration while providing overnight nourishment and antioxidant protection.