Dandruff killer shampoo Antimicrobial effect Zinc pyrithione (ZP) & piroctone olamine (PO) against the microorganisms that cause dandruff & scalp itch. Removal of existing dandruff based on fumaric acid (FA) & salicylic acid (SA). Relieves irritation & balances the scalp based on zinc ions, panthenol & allantoin. Tolerability despite great effectiveness can be used every day.