'Flake' it off with dandruff-fighting tea tree, willow bark (natural source of germ-fighting salicylic acid), propanediol caprylate (a 100% naturally derived anti-dandruff active), and piroctone olamine (proven to be a safe and gentle anti-dandruff active). All the goodness in this fragrance-free shampoo makes it a tough, yet gentle dandruff fighter!