Easy to Use: Apply the 4 in 1 herbal shampoo to your hair for 5-10 minutes before rinsing in the shower. Gray Hair Coverage: Helps blend away gray and white hair with a 15-20 minute application. Perfect Gift: Suitable for both men and women, this hair dye shampoo is a thoughtful choice that enhances hair appearance, leaving it looking healthy. Save time and effort with our herbal hair dye shampoo that works as a dye, shampoo, and conditioner in one. Gentle: Formulated with natural plant extracts to nourish and strengthen hair without causing damage.