Just for Men Shampoo-In Color for Men — Darkest Brown-Black H-50A, 5-Minute Ammonia-Free Formula with Keratin & Vitamin E (Pack of

Just For Men Shampoo-In Color H-50A is a five-minute, ammonia-free shampoo-in hair color that permanently covers gray hair while preserving your natural highlights.

This shampoo-in formula was developed to blend with your existing pigment so gray stands are targeted without masking natural color variation. Enriched with keratin, olive oil and vitamin E, the product conditions as it colors for a fuller, healthier appearance. The H-50A shade Darkest Brown-Black gives deep, natural-looking coverage and the package contains three kits (packaging may vary), each providing multiple applications depending on coverage needs.

How quickly will I see results with Shampoo-In Color H-50A?

The visible change happens during a single five-minute treatment: pour the color base into the applicator bottle, shake, and work through hair like a shampoo. Rinse and style as usual to reveal a uniform, natural-looking color that targets gray without flattening your existing tones. Results are permanent until grays grow out.

• Processing time: 5 minutes
• Application method: pour, shake, apply, rinse
• Visible: immediate after rinse
• Longevity: lasts until gray regrowth

Will this damage my hair—what’s in the formula?

This formula is ammonia-free and includes conditioning ingredients meant to support stronger-looking hair. Keratin helps reinforce hair structure, while olive oil and vitamin E offer moisture and improved surface feel. The goal is to color gray hair while maintaining a natural texture and shine.

• No ammonia, reducing harsh chemical odor and cuticle stress
• Keratin for improved strength and resilience
• Olive oil and vitamin E for added moisture and gloss
• Leaves hair conditioned after rinsing

How do I choose the right shade and how many applications are in each box?

H-50A Darkest Brown-Black is for men seeking a very deep brown to near-black look. When unsure between two shades, select the lighter one first; you can darken later if needed. Each kit offers up to three applications, although final count depends on head size, gray density, and application amount.

• Shade guidance: pick lighter shade if undecided
• Pack size: 3 kits per box, multiple applications per kit
• Coverage: targets gray hairs, preserves natural highlights
• Suitable for both full coverage and touch-ups

Are there safety steps I should follow before using this product?

Follow the enclosed leaflet exactly and wear the gloves provided to prevent staining. Perform a 48-hour skin allergy patch test before full use, and avoid contact with eyes—rinse immediately if product gets in them. Do not use on damaged or irritated scalp.

• Perform 48-hour allergy test before first use
• Use gloves to avoid staining skin and nails
• Avoid contact with eyes; rinse thoroughly if exposed
• Do not apply to broken or irritated scalp

Who is this product for? Men wanting fast, dependable gray coverage that looks natural and conditions while coloring will benefit most from Just For Men Shampoo-In Color H-50A. It’s ideal for those who prefer a quick at-home routine, dislike the smell or feel of permanent dyes with ammonia, and want a strong Darkest Brown-Black shade that blends into their natural tones. If you need frequent touch-ups or have heavily resistant gray, the multiple applications per kit and the advice to start lighter make this a practical choice for ongoing maintenance.

Ingredients

Water, Toluene-2,5-Diamine, m-Aminophenol, Ethanolamine, Keratin, Hydrolyzed Keratin, Olea Europaea (Olive) Fruit Oil, Tocopheryl Acetate, Resorcinol, Cetearyl Alcohol, Carbomer, Sodium Sulfite, p-Aminophenol, Coco-Glucoside, Erythorbic Acid, N,N-Bis(2-Hydroxyethyl)-p-Phenylenediamine Sulfate, 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.