The philosophy Dose of Wisdom Reactivating Serum encourages the illusion of collagen-rich skin by visibly firming and plumping. n Powered by vitamin C, the serum brightens the skin’s appearance instantly and over time while providing antioxidant protection. A patented Vitality Booster utilises oxygen to add visible bounce and elasticity, alongside hyaluronic acid to plump skin with moisture for a fresh-faced finish.