Easy Apply Hair Dye CombSalon Hair Colour at Home? Yes, and It's Easy. The Easy Apply Hair Dye Comb that fills, coats, and colours your hair in one smooth stroke no mess, no missed roots, no salon bill. Just you, your bathroom, and a whole new look. Comb + Dye Applicator in One. Genius. The built in comb teeth distribute dye evenly from root to tip as you brush through no blotchy patches, no soaked fingers, no cotton wad drama. Fill the reservoir, comb through, done.