Just for Men Shampoo-In Color Ash Brown (H-20), Pack of 3 — 5-Minute Ammonia-Free Gray Coverage with Keratin

Just For Men Shampoo-In Color in Ash Brown (H-20) is a 5-minute, ammonia-free hair color that targets gray strands for a natural, longer-lasting return to your original shade.

This shampoo-in formula is designed for men who want quick, low-effort gray coverage without changing the natural variations in their hair. The kit combines a patented gray-targeting system with keratin, olive oil and vitamin E to help hair look fuller and healthier while permanently coloring the grey until it grows back. Each box provides up to three applications and this listing includes a pack of three boxes (packaging may vary).

How does this shampoo-in color restore a natural look so quickly?

The formula is made to seek out and color only the gray and white hairs, preserving subtle highlights and shadows of your natural hair. Application is simple: mix, pour into the applicator bottle, shake, and work through like a shampoo — most results set in about five minutes.

• Patented gray-targeting chemistry for selective coverage
• Five-minute processing time saves grooming minutes
• Shampoo-in application blends with natural hair texture and tone
• Three applications per box for full head or repeat touch-ups

Will this damage my hair or change its texture?

This ash brown option is ammonia-free and formulated with keratin, olive oil and vitamin E to help support stronger-looking hair during the coloring process. While any chemical color can alter hair slightly, this product aims to minimize damage and maintain your natural finish.

• Ammonia-free base to reduce harsh chemical exposure
• Keratin to support hair strength and appearance
• Olive oil and vitamin E for softness and manageability

How long do the results last and how often should I reapply?

Results are permanent on the hair shaft and remain until the gray regrows; many users plan touch-ups every 6–8 weeks depending on their growth rate. Because this targets existing gray, reapplication is only necessary when new gray becomes visible at the roots or throughout the hair.

• Permanent coverage until hair grows out
• Typical touch-up cycle: roughly every 6–8 weeks
• Box yields up to three full-area applications

Is shade selection difficult and what if I’m between colors?

Just For Men offers 15 shades from sandy blond to jet black to match most natural colors. If you’re uncertain, choosing the lighter option first is recommended because you can always go darker later for a stronger match.

• 15 shade choices for gradual or dramatic matching
• Tip: start with the lighter shade when unsure
• Includes gloves and an easy-to-follow leaflet for safe application

Who is this for: This product is ideal for men looking for a fast, at-home solution to cover gray without a salon visit. It suits those who prefer a natural, subtle finish and want a low-effort routine — especially men who value quick application, minimal odor, and hair-care ingredients that aim to support strength and manageability. Always perform the enclosed 48-hour skin allergy test before full use and follow safety instructions provided in the package.

Ingredients

Water, Ethanolamine, Keratin, Hydrolyzed Keratin, Olea Europaea (Olive) Fruit Oil, Tocopheryl Acetate, Cetearyl Alcohol, m-Aminophenol, Toluene-2,5-Diamine, Sodium Sulfite, Carbomer, Coco-Glucoside, Erythorbic Acid, Cetearyl Glucoside, p-Aminophenol, Ceteth-10 Phosphate, Dicetyl Phosphate, 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.