1.Wet your hair with both of your hands. 2. cut the hair color shampoo sachet and squeeze the shampoo into a non metallic bowl and mix (there are two creams inside the sachet) 3. Apply on hair evenly and stay for 20mins. 4. Wash your hair thoroughly with water. 5. The hair will become dark brown and shiny. Not for daily use. Use after 3-4 weeks.