Our sweet wormwood anti-dandruff scalp pigment contains polyquaternary ammonium salt -7 and polydimethylsiloxane. It can be 1. After washing the hair, 2. Take appropriate amount of this product, apply to the hair, 3. Gently massage with your hands, and rinse with clean water. And can deep scalp, balance water and oil, reduce oil and dandruff retention, let you say goodbye to dandruff.