Alpecin Dandruff Killer Shampoo is the first Alpecin shampoo with 4 active ingredients! It has 4 different active ingredients with 4 different modes of action form a joint anti-dandruff defence system. Alpecin Dandruff Killer Shampoo relieves scalp irritation, removes dandruff and provides quadruple action against new dandruff. Alpecin Dandruff Killer Shampoo is formulated using 4 active ingredients that help to elimiate dandruff and also protects your scalp to prevent new dandruff from occuring. It contains a combination of Zinc pyrithione, piroctone olamine, Salicylic acid, fumaric acid, panthenol, allantoin and a galenic formula that helps to maintain the scalp's resistance restores the scalp's natural balance and removes existing dandruff.