This daily facial serum acts as an energetic jumpstart for the skin, reactivating and restoring healthy bounce through in-depth hydration and collagen support so skin is supported to continuously perform at its best. philosophys patented vitality booster loaded with oxygen, plus molecule grafted vitamin c and hyaluronic acid are expertly delivered according to philosophys dermatologic wisdom formulation principle to optimize their benefits and minimize irritation for all skin types, including sensitive. skin looks bouncy, plumped, hydrated and healthy.To use: Apply to clean, dry skin. Use am/pm. Unscrew cap to dispense. If more is needed, push the button to load dropper.