The Serum - Visibly younger looking skin after 7 days. Give your tired skin a shock treatment. When no other treatment gives you the same effectiveness, le serum goes further, thanks to its intense reconstructing powers of 100% vegetal hormones: smoother, firmer and more supple, your skin is full of life. Use LE SERUM 2-3 times a year in the evening, replacing your regular night cream. Suitable for all skin types