Now, Clarins' award-winning Double Serum Complete Age Control Concentrate comes in a new luxury size! Powered by 20 pure plant extracts and potent high-tech molecules, Clarins' worldwide best-seller* combines two age-defying formulas into one groundbreaking serum that targets visible signs of skin aging. In just 4 weeks**, Double Serum promotes firmer skin, reduced wrinkles, a more even skin tone and less visible pores. *Amongst CLARINS products. Clarins worldwide internal data—retailers sales in value and volume, YTD Jan.-Sept. 2013. **Satisfaction test, 197 women reported, 4 weeks.