Just for Men Shampoo-In Color Rich Dark Brown H-47, 3-Pack — 5-Minute Ammonia-Free Gray Coverage with Keratin

Just For Men Shampoo-In Color Rich Dark Brown H-47 is a five-minute, ammonia-free hair color that targets and covers gray hair for a natural, long-lasting dark-brown finish.

This three-pack of Just For Men Shampoo-In Color uses patented gray-targeting technology to color only the gray hairs while preserving natural highlights and subtle variations in your original shade. Formulated with keratin, olive oil and vitamin E, it’s designed for fast, professional-looking results without harsh ammonia. The shampoo-in system mixes the color base into an applicator bottle, applies quickly, and delivers coverage that lasts until the gray grows back—typically up to eight weeks for most men.

How quickly will I see results with this shampoo-in color?

You’ll get visible gray coverage in as little as five minutes after application, making it a good option for busy mornings or last-minute touch-ups. The rinse-out process is straightforward, and the finished color blends with your natural hair so the change looks gradual and realistic.

• Full application time: about 5 minutes
• Mix color base into applicator bottle, shake, and apply
• Rinse and style immediately after processing
• Fast enough for touch-ups between barbershop visits

Will this product damage my hair or leave an unnatural look?

The formula is ammonia-free and includes keratin, olive oil and vitamin E to help maintain hair strength and shine. Because the color targets gray strands rather than coating all hair uniformly, it preserves natural highlights and avoids the flat, one-dimensional appearance common with some permanent dyes.

• No ammonia—gentler on hair cuticles
• Keratin supports a smoother surface and reduced breakage
• Olive oil and vitamin E add conditioning and shine
• Gray-targeting blends with existing color for natural depth

How long does the color last, and how many applications are in a box?

Color lasts until your gray hairs grow out, typically up to eight weeks depending on hair growth and washing frequency. Each box can deliver up to three applications, depending on the amount of gray you have and whether you’re doing full-head coverage or spot touch-ups.

• Lasts up to 8 weeks for many users
• Up to 3 applications per box for touch-ups or partial coverage
• Use lighter shade first if you’re unsure—can go darker later
• Reapply when gray regrowth becomes noticeable

Is the application safe and easy to do at home?

Yes—follow the enclosed instructions and perform the required skin allergy test 48 hours before use. The kit includes an applicator bottle and gloves; simply pour, shake, apply, and rinse for a quick at-home treatment that produces salon-style results when directions are followed.

• Perform 48-hour allergy test before first use
• Kit contains applicator bottle and gloves
• Clear step-by-step leaflet included for home use
• Made in the USA with easy at-home instructions

Who is this for: This product is aimed at men seeking a fast, natural-looking way to cover gray hair without a harsh chemical experience. It suits guys who want a low-effort at-home solution that preserves natural color variation—especially those with moderate gray coverage who prefer a dark-brown finish. If you’re unsure between shades, choose the lighter option first; you can always darken later for a stronger result.

Ingredients

Color Base: Water, Toluene-2,5-Diamine, m-Aminophenol, Ethanolamine, Keratin, Hydrolyzed Keratin, Olea Europaea (Olive) Fruit Oil, Tocopheryl Acetate, Cetearyl Alcohol, N,N-Bis(2-Hydroxyethyl)-p-Phenylenediamine Sulfate, Resorcinol, Carbomer, Sodium Sulfite, Coco-Glucoside, Erythorbic Acid, Cetearyl Glucoside, Ceteth-10 Phosphate, Dicetyl Phosphate, 2,4-Diaminophenoxyethanol HCI, Etidronic Acid, Fragrance. Color Developer: Water, Hydrogen Peroxide, Cetearyl Alcohol, Laureth-23, Ceteareth-20, Acrylates/Steareth-20 Itaconate Copolymer, Steareth-2, Etidronic Acid, Disodium EDTA, Sodium Stannate.