Head & Shoulders anti dandruff Shampoo targets the root cause of dandruff, for up to 72h protection from flakes dryness and itch (visible flakes, with regular use; itch due to dandruff). Its advanced formula is dermatologically tested, pH balanced and boosted with antioxidants for gentle care of hair and scalp and gives up to 100% flake free, clinically proven (with regular use). Smooth & Silky Anti Dandruff Shampoo controls your frizz to give you beautiful smooth & shiny hair. Head & Shoulders is the worlds number 1 shampoo brand (P&G calculation based on shampoo category yearly external sale)