Hair Color Stick & Comb: 2-in-1 instant hair color stick & comb, portable hair dye comb for gray hair coverage, waterproof and sweat-proof hair dye comb for women & menPortable Design: Black hair dye comes with comb teeth, 2-in-1 for dyeing and combing, and cleverly combines dyeing and combing functions to easily and evenly cover white hairSafe Formula: Hair dye stick uses physical methods to cover gray hair, and the ingredients are natural, achieve the effect of natural coloring, without any chemical reaction, gentle and non-irritatingEasy to Use: First wash your hair and thoroughly blow-dry it before use. Open the lid and rotate it clockwise to unscrew the paste. When the paste is unscrewed to the halfway position of the comb teeth, pull up the hair and apply a small amount of it directly to the gray hair part several times, this allows you to color while combing through your hairSuitable for All People: Hair dye stick can be used by people with gray hair on the temples/new gray hair/a small amount of gray hair/allergic to dyes. It is not allowed to be used on parts other than hair