Just For Men Original Formula hair color covers your grays completely and effectively. It targets only the gray hair and preserves subtle variations of your natural hair color. This easy-to-apply hair color only takes five minutes to color every single gray hair, and lasts until the hair grows back. The ammonia-free formula causes no damage to your hair. Just For Men Original Formula 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. This hair color not only conditions your hair but also leaves it smoother and easier to manage.