The 'chill& kill' formula contains Piroctone Olamine which fights the yeast on the scalp that is responsible for dandruff, preventing flakes from forming & eliminating the signs of dandruff. The peppermint oil added to creamy lathering shampoo has a cooling effect on the scalp, refreshing, soothing & moisturising the skin. For best results use in conjunction with Recipe for men Anti-Dandruff Cooling Tonic.