TRESemmé Root Touch-Ups instantly conceal unwanted roots and grays in one easy spray to keep your hair color looking fresh and you feeling confident. Concealing unwanted gray hair and roots is now as simple as a few spritzes. These flawless aerosol sprays are free of ammonia, peroxide and synthetic dyes, make it easy to cover large and small areas and provide coverage that lasts until your next shampoo.