Smoothes hair from root to tip. DermaSense formula with PH balanced, eliminates up to 100% the trace of dandruff, cares for your scalp and leaves your hair beautiful. (visible dandruff, using it regularly) Head & Shoulders has clinically proven technology. H & S’s active dandruff control ingredient, ZPT, attacks the cause and signs of dandruff from the first wash. Head & Shoulders is the # 1 shampoo in the world with over 50 years of scientific research related to scalp and dandruff.