1. After washing the hair, blow dry slightly (not dripping). 2. Put on disposable gloves (inside the box) and then apply the black color essence to the hair, comb it slowly with a wooden comb, including the hair roots, and evenly apply the black color essence in place. 3. Expose it to direct sunlight for 2-5 minutes and let it dry naturally, after which the hair will become blacker, brighter and shiny.
It does not contain chemical components such as dioxides and oxidants, and is a pure natural plant element, which is harmless to the body, non-toxic, non-irritating, and non-allergic; it not only maintains the original fresh ingredients of herbal essence, but also can form a strong hair on the hair The protective film has a good repair effect on damaged hair, making hair more natural, stronger and more lustrous.