... .Use 2# pharmacy to smudge each hair evenly, carefully at the hair root, then wear a shower cap ... use, for people who have many white hair or thick hard hair, it will be better to extend ... sensation, avoid scratching, it can disappear within a short time, our product is natural hairdye, non-toxic, ... aniline, for people who are sensitive to aniline hair dye, no need to allergy testing when using ...