Vichy Dercos Energising Shampoo contains Aminexil, a patented molecule, designed to help reduce the rate of thinning hair and maintain the thickness and density of hair. Its effectiveness has been clinically proven. Your hair will feel nourished and re-enforced from root to tip and will look more vigorous and healthy. With aminoxyl and vitamins PP/B5*/B6. * Pro-vitamin B5.