Easy, Instant, readymade application on after shampoo hair with either brush or own fingers on visible white, brown or from any other hair color into black color. Allow it to dry for 15 to 20 minutes.. The color sustains only with plain water rinse.. The color leaves with any chemical wash.. Promotes hair growth.. Restore moisture..No side effects.. Very useful during emergencies.. Use multiple times on as needed basis like serum.. For full white hairs, use as salt pepper style.. For scanty hair, use as touch up on roots to show dense appearance.. Use earbuds to to shape up or increase the length of eyebrows and eyelashes.. Absolutely no chemicals.. Use multiple times anytime, anywhere even during travel with the help of hand mirror or even phone camera..