Pétrole Hahn Organic Anti-Dandruff Shampoo 250ml is a shampoo with a purifying formula containing organic tea tree and Dandrilys®, an anti-dandruff active ingredient that is 100% natural. Thanks to this shampoo, dandruff is 100% eliminated from the first use, and for a long time. It soothes the scalp and calms itching.The hair is fresher, stronger and shinier. Dermatologically tested. 98% of the total is of natural origin.17% of the total ingredients are from Organic Farming. Cosmos Organic certified by Ecocert Greenlife. Vegan. Made in France.