- 3-in-1 black coloring shampoo: dyes, cleanses, and conditions hair in a single product - Quickly and effectively covers gray hair, restoring the natural black color of your hair - Nourishes and repairs the hair fiber from within, providing shine, softness, and flexibility - Easy application: use gloves, apply to dry hair, massage, and leave on for 10-25 minutes - 500ml format, yields up to 10 applications, ideal for frequent use at home - Suitable for men and women who want to cover gray hair and revitalize their hair - It is recommended to perform a patch test before first use to avoid reactions - Avoid contact with eyes, mouth, and wounded areas during application