undefinedTwo power packed serums in one. The best just got better. New Clarins Double Serum is a Complete Age Control Concentrate which works on the five vital functions of the skin for a more youthful and radiant complexion. Now containing 21 active plant extracts including new star ingredient turmeric, known for its exceptional anti-ageing properties. New Double Serum acts on the appearance of all signs of skin-ageing to achieve radiant, firmer skin and reduce the appearance of fine lines.