Head & Shoulders is not only the leader in anti-dandruff shampoos but also in everyday hair care. Head & Shoulders shampoos and conditioners are formulated to be used together for maximum effectiveness against a source of dandruff. Using different cosmetic conditioners can wash away up to 70% of active dandruff-fighting ingredients. Used in combination, Head & Shoulders shampoos and conditioners with moisturizers increase the effectiveness of the active ingredient, while nourishing hair for all day softness.