René Furterer lightness Curbicia normalizing shampoo 150ml Gently removes excess sebum. The patented natural extract Curbicia associated with aromatic essential oils of Clove, Thyme, Rosemary and Orange, normalizes sebum production. Hair is fresh and light.   Method of application: Apply to wet scalp. Masqjear, rinse and proceed to a second application. Leave on for 2-5 minutes. Rinse thoroughly.     Use: 1-2 times / week.