Alpecin dandruff killer shampoo is an anti dandruff shampoo with 4 active ingredients antimicrobial effect zinc pyrithione and piroctone olamine against the microorganisms that cause dandruff and scalp itch removal of existing dandruff based on fumaric acid and salicylic acid relieves irritation and balances the scalp based on zinc ions panthenol and allantoin tolerability despite great effectiveness can be used every day