Color Your Gray Hair Without Damaging It Get Just For Men Shampoo-In Hair Color and cover your grays effectively. It works only on your gray hair and colors it without damaging them. Your gray hair gets colored in a tone that's subtle and that goes with your natural hair color. This easy to apply non-drip hair color only takes five minutes to color every single gray hair.Gray hair changes its colorNew color matches natural hair colorTakes 5 minutes onlyRejuvenates hairLasts up to 6 weeksContains vitamins and is ammonia freeDoesn't dripJust For Men Shampoo-In Hair Color has a non-drip formula that lasts for six weeks. So now you don't have to color frequently.Just For You: Gray hairA Closer Look: Just For Men Shampoo-In Hair Color contains protein, Vitamin E, aloe and chamomile that nourishes your hair while you color. It leaves your hair looking healthier and thicker after every application. Its ammonia free formula causes no damage to your hair. It conditions your hair and leaves it smoother and easier to manage.