Product Description A direct action treatment shampoo specifically formulated to deal with dandruff. Double action: different sized particles remove dandruff stuck to the hair and scalp and Pyrithione Zinc helps prevent its reappearance. Recommended for: Combating dandruff. Key Ingredients: Very gentle exfoliators: a synergetic combination of two exfoliants aimed at eliminating two sizes of dandruff particles from hair and scalp. How to use: Use daily when beginning treatment. Massage for several minutes with fingertips to allow the exfoliating particles to release stuck on dandruff and give the active ingredients time to work. Rinse off.