Clarins Double Serum 30ml or 50ml is a Complete Age Control Concentrate formulated to help work on the 5 vital skin functions for visibly younger looking skin. Clarins Double Serum acts on the appearance of major signs of skin-aging and contains 21 active plant extracts, including turmeric. Turmeric is renowned for its exceptional anti-aging properties. The bottle’s rotating push button delivers a made-to-measure dosage of serum. Skin is left looking more radiant, firmer, and fine lines are smoothed.