This daily facial serum acts as an energetic jumpstart for the skin, reactivating & restoring healthy bounce through in-depth hydration and collagen support so skin is supported to continuously perform at its best. philosophy's patented vitality booster loaded with oxygen, plus molecule grafted vitamin c and hyaluronic acid are expertly delivered according to philosophy's dermatologic wisdom™ formulation principle to optimize their benefits and minimize irritation for all skin types, including sensitive. skin looks bouncy, plumped, hydrated, and healthy.