Developed to stimulate your skin's vital functions - hydration, nutrition, oxygenation, protection and regeneration - Double Serum from Clarins promotes a youthful-looking, radiant visage. The lightweight formula is enriched with a blend of 22 active plant extracts, preserving cell communication and leaving you with a firmer and smoother complexion. Powered by Organic Giant Provençal Reed extract (a strengthening ingredient that increases skin's resistance to environmental factors), this version features Clarins' new exclusive Epi-Ageing Defence Technology that targets signs of ageing linked to lifestyle.