Using 20% stable vitamin C derived from fermented botanicals, Power C Collagen-boosting & Brightening is phenomenally protective - creating a defensive 'force field' between your complexion and damaging pollutants. Ultra-lightweight and non-greasy, this silky serum is the perfect way to prolong your skin's youthful strength, resilience and lustre, while gradually brightening to leave skin looking enviably even-toned. Phospho- and glycolipids help to reinforce skin's barrier function, while essen