Clarins Double Serum is a Complete Age Control Concentrate formulated to help work on the 5 vital functions of the skin for a more youthful and radiant complexion. The powerful anti ageing face serum now contains 21 active plant extracts including new star ingredient turmeric distinguished for its exceptional anti ageing properties. Double Serum acts on the appearance of major signs of skin ageing skin appears more radiant firmer and fine lines appear smoothed.