Just for Men Shampoo-In Color Dark Brown (H-45) Pack of 3 — Ammonia-Free, Keratin & Vitamin E

Just For Men Shampoo-In Color in Dark Brown (H-45) is a five-minute, ammonia-free shampoo-applied hair color that permanently covers gray while nourishing hair with keratin, olive oil and vitamin E.

This kit from Just For Men delivers fast, natural-looking coverage designed to target gray strands while preserving the subtle tones of your original color. The shampoo-in system works differently from permanent dyes: you mix and shake the formula in the included applicator, massage it through wet or damp hair like a shampoo, rinse, and you’re done. Results are long-lasting until that gray grows back and the formula is made to be gentle — free of ammonia and enriched with ingredients meant to help hair look fuller and healthier.

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

Results appear in about five minutes after application; the formula is designed for rapid processing so you can finish coloring during a single shower. Rinsing reveals the new shade immediately, leaving hair with an even, natural tone when applied correctly.

• Processing time: roughly five minutes.
• Application: mix, shake, apply like shampoo, then rinse.
• Immediate visible coverage after rinsing.
• One box yields up to three applications for touch-ups or larger coverage.

Will this product damage my hair or change its texture?

The formula is ammonia-free and contains keratin, olive oil and vitamin E to help maintain hair strength and shine, so it’s gentler than many permanent dyes. While individual results vary, the added ingredients are intended to support the look and feel of healthier hair, not strip or excessively process it.

• No ammonia — reduced risk of dryness compared with some dyes.
• Keratin helps improve perceived strength and manageability.
• Olive oil and vitamin E add conditioning and shine.
• Follow directions and do the included allergy test 48 hours prior.

How natural will the color look and how long does it last?

Shampoo-In Color targets gray hairs specifically to blend with existing tones for a naturally blended result, avoiding flat or artificial-looking coverage. The change is permanent and will remain until new gray hair grows back; expect several weeks of natural-looking coverage depending on hair growth and washing habits.

• Patented gray-target technology blends with natural color.
• Permanent coverage that lasts until gray regrowth.
• Gives subtle variations, not a uniform single-tone finish.
• Choose a lighter shade if unsure—you can darken later.

What does the three-pack include and how many uses will I get?

This listing is for a pack of three Shampoo-In Color kits in Dark Brown (H-45); each box typically provides up to three applications depending on how much hair you color. The multi-pack is convenient for regular touch-ups or multiple people, and packaging may vary while the formula remains the same.

• Pack contains three individual Shampoo-In Color kits.
• Each kit can deliver up to three applications for smaller touch-ups.
• Kit includes applicator bottle, color base, developer, gloves, and instructions.
• Made in the USA; packaging may differ from images.

Who is this for: This product is suited for men who want quick, effective gray coverage without a complicated salon routine—ideal if you prefer at-home, low-effort color that looks natural. It’s a good option for those seeking a permanent fix for gray hairs while minimizing harsh chemicals, or anyone who wants an easy, repeatable regimen to maintain their natural dark brown shade between haircuts.

Ingredients

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.