A fast acting hydrating serum, this Neocutis Hyalis 1% Hyaluronate Refining Serum delivers immediate moisture to relieve dryness in skin. It has a unique formulation containing 1% of highly pure bio-engineered sodium hyaluronate. The sodium hyaluronate is the sodium salt of hyaluronic acid, and is a key natural part of the extracellular matrix of skin. This serum is designed to deeply hydrate the skin, minimizing the signs of aging and helping to restore skin's natural radiance. It also smoothes stressed, irritated skin and helps plump it up. This serum is great to use as a post-procedure treatement to help improve and ease the recovery process, but is also very effective as part of your general anti-aging and dermatological care. This formula is oil free, non-comedogenic, dermatologist tested, and free of potential skin irritants. It works well for all skin types.