Lasts up to 6 weeks. 5 Minutes blends away gray. Natural, healthy look. The world leader in men's haircoloring. More than a haircolor, it's the rejuvenator. Apply; Wait 5 minutes; Rinse. Vitamin-Enriched, It Rejuvenates Hair: Just for Men is fortified with a unique complex of vitamins and conditioners that rejuvenates hair - leaves hair thicker, fuller, healthier-looking. And it's gentle - not a drop of harsh ammonia. 5-Minute Formula Fast and Easy: This thick, no-drip haircolor is as easy as shampooing. It stays put. No mess. Rinse in 5 minutes - and in the time it takes to shave or shower, gray is gone. Blends Away Gray For A Natural Look: Just for Men actually targets gray and blends in several close, but slightly different shades that match the rest of your hair perfectly. It looks so natural, even you can't tell where the gray was! One Application Lasts Up to 6 Weeks: It won't wash out, won't fade out, no matter how often you shampoo. Lasts until the gray grows back. Just for Men blends shades of your natural color into your gray so subtly, no one can tell where the gray was! If you're not sure which shade matches your natural color, try a lighter shade of Just for Men, rather than a darker one. Made in USA.