Targets only the gray. New! True color formula. 5 Easy Minutes. One application lasts up to 6 weeks. The world"s leader in men"s haircolor. Looks Natural: Just For Men targets only the gray hair. Replaces it with subtle tones that match your natural hair color. Easy As Shampooing: No-drip formula works in 5 easy minutes. Rejuvenates Hair: Vitamin enriched. Leaves hair thicker and fuller looking. Ammonia free formula won"t damage hair. Lasts Up To Six Weeks: Lasts until the gray grows back. Can"t miss color. Just For Men comes in 11 natural looking shades. So, it"s easy to find one that truly matches your natural hair color. Can"t decide between two shades? Try the lighter one first. You can always go darker later. Made in the USA.