Just for Men Shampoo-In Hair Color H-45 3-Pack
- 5 minute application
- Up to 3 applications per box
- Lasts up to 8 weeks, will not wash out
- Ammonia free, with keratin, olive oil, vitamin E
- 3 count pack
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A shampoo-in color that targets gray and blends it into natural dark brown in minutes. A skin allergy test is required two days before each use.
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ASIN: B000NSS0FGCategory: Hair Color
Overview
Pouring the color base into the applicator bottle, shaking and working it in like shampoo is how Just For Men Shampoo-In Color works. It targets gray hair and blends it with your original dark brown, without ammonia.
Fast gray coverage that looks natural rather than flat is the strength. Choosing the right shade matters, and the brand advises going lighter when unsure.
Who it's for
Men touching up gray regularly at home suit this kit. Anyone after a new color rather than gray blending should look elsewhere.
Pros and cons
- Very fast application
- Targets gray only
- Multiple applications per box
- Allergy test needed beforehand
- Shade choice is tricky
- Permanent, needs regrowth touch ups
Performance notes
The formula is drawn to gray strands, leaving natural pigment mostly untouched, which preserves variation in tone. Timing controls depth; the short wait gives a blended result. Color holds until regrowth.
Specifications
| Brand | Just for Men |
|---|---|
| Dimensions & fit | |
| Item Weight | 0.77 pounds |
| Package Size Name | Triple Pack |
| Construction & materials | |
| Color | Dark Brown H-45 |
| Hair Color Permanence | Permanent |
| Suitable Hair Color | All Hair Colors |
| Material Features | With Keratin, Olive Oil & Vitamin E |
| Material Type Free | Ammonia Free |
| Included components | |
| Unit Count | 3 |
| Other details | |
| Full Cure Time | 5 minutes |
| Item Form | Liquid |
| Container Type | Box |
| Hair Type | All |
| Number Of Items | 3 |
| Product Benefits | Hair Coloring |
| Recommended Uses For Product | Covering gray hair, Achieving natural hair color |
| Set Name | Just For Men Shampoo-In Color Dark Brown H-45 Set |
| Item Highlight | Shampoo-In Color Dark Brown Patented Formula Instantly Targets Grays. Keratin, Olive Oil, & Vitamin E For Stronger Hair. |
Frequently asked questions
Will Just For Men Dark Brown H-45 match my hair if I am between shades?
The brand says to choose the lighter shade when unsure. 15 shades run from sandy blond to jet black.
How long does Just For Men Shampoo-In Color take?
It works in 5 minutes.
How long does Just For Men Shampoo-In Color last?
It will not wash out and lasts up to 8 weeks until gray grows back.
Do I need an allergy test for Just For Men?
Yes. Perform a skin allergy test 48 hours before use.