While regular shampoo only wash the flake away, Head Shoulders Cool Menthol is clinically proven to deal with the cause of dandruff and give up to 100 Percentage dandruff and itch protection for 72 hours Infused with cooling menthol, for a refreshing scent and scalp sensation Gentle formula with 0 Percentage Paraben, Phosphate and Paraffins added Dermatologically tested; Designed to be pH balanced to skin similar to premium skin care product and gentle to hair