Designed with four active ingredients which work together to combat & prevent dandruff, the Alpecin Dandruff Killer shampoo promises to leave the scalp soft, soothed & flake free. Containing zinc pyrithione & piroctone olamine to fight against fungi, bacteria & yeast whilst salicylic acid & fumaric acid remove existing dandruff, this unique anti-dandruff shampoo reduces irritation to leave you feeling refreshed. Suitable for daily use. K.D. Directions for use: Apply a walnut-sized quantity evenly to wet hair & massage in Rinse out immediately