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🖤 Turn heads with every wash—black hair, no hassle!
COSMTEK’s Black Hair Dye Shampoo is a semi-permanent, ammonia-free 3-in-1 formula designed for adults seeking easy grey coverage and natural black hair color. With a quick 15-20 minute application, it nourishes while depositing rich color, suitable for all hair types and tones. Highly rated and transparent in ingredients, it offers a safe, durable, and convenient hair color solution.








| ASIN | B0B4FXC5WZ |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Best Sellers Rank | #4,936 in Beauty ( See Top 100 in Beauty ) #296 in Hair Shampoos |
| Brand | COSMTEK |
| Brand Name | COSMTEK |
| Customer Reviews | 4.3 out of 5 stars 1,477 Reviews |
| Hair Type | All Types |
| Hair type | All Types |
| Item Form | Liquid |
| Item Weight | 13.5 Ounces |
| Item form | Liquid |
| Liquid Volume | 14 Fluid Ounces |
| Manufacturer | COSMTEK |
| Material Type Free | Ammonia Free |
| Material type free | Ammonia Free |
| Number of Items | 1 |
| Other Special Features of the Product | Scented |
| Product Benefits | Durable, Natural & Nourishing Hair Coloring |
| Recommended Uses For Product | Color Protection |
| Scent | Unscented |
| Scent Name | Unscented |
| Suitable Hair Color | Grey |
| Unit Count | 400 Milliliters |
N**I
good
very good
A**.
Not suggest
Colour is good but I stopped it due to hair fall.
A**R
Bad skin reaction
Caused a severe allergy and skin rash around my ears and back of the neck. Had to use strong lotions and allergy medication. Maybe its not the same for everyone, but becarful and test it on your skin before applying a large quantity
R**H
Amazing
Amazing product. Easy to use excellent results
M**Y
Husband-Approved
Bought this for my husband (twice now), and he’s seriously into it. He wanted something quick and easy to cover his grays without the whole dye kit drama, and this shampoo does the trick perfectly. It’s super simple to use: rub it in like regular shampoo, wait about 15–20 minutes, rinse, and boom, black hair. It covers grays well and looks natural, not patchy or fake. The scent is light and fades fast, and his hair feels soft afterward, not dry or stiff. The color lasts a couple of weeks before fading to a dark brown, so we just reapply when needed. Overall, he loves it, and I love that he’s happy with how it looks. Keeping this one stocked.
A**R
Absolutely Horrible Product
I am a real customer, and this is a real review. This product is absolutely horrible. It is not a foam or a gel. It basically just black liquid/water. Try dying your hair with water, it creates a big mess everywhere. If you do not believe me, you can buy this product and see for yourself
-**-
- HONEST REVIEW -
I was VERY skeptical, but after reading reviews you can't go wrong with the majority. I wasn't expecting results TBH, i first tried it, left it in but forgot to use a timer, i think it was only not even 10min then I washed it off, and i still had greys. I was upset, but then i washed my face & dried it well and applied it again. It comes out clear and a dye all in one pump. WASH THROUGHLY! I left it in this time and i used a 20 min timer. By the 12-13th min it started to burn/tingle a lil bit. I left it in a little longer, washed off and that's what you see. GREAT product. Not sure how long it last, but we will see. Edit: i decided to go a different route and go dark brown. The black looks good, however it was TOO black! I kind of threw off the balance of my look. Going for Dark brown and i will do another separate review
K**N
Works as instructed - good value for the price
I had tried similar products in the past and had returned it after the first use. I was skeptical with this one and after using it for 3 weeks and 3 uses, I can share that it does what it’s supposed to do. What I like about it: Big size! Reusable Gives that dark/black tone to my hair Easy to use Does not stain skin if you wipe it off right away What I don’t like about this and similar products is the color-fades after a couple of days - at least for me. You can see the dark brown shade to it after 3-4 days, and after a week it turns to light brown on the hair on my sides, then on the top, where it is normally darker, it turns to a mid-brown color. At about 7-8 days my hair looks darkish brown which I am not comfortable with since I have had black hair all my life - until it started turning grey. ^_^ Also after the first use I rinsed it off as instructed but it my scalp really itchy, specially on the back. On the second use I switched my shower head to jet and really rinsed off the product well, my scalp was not so itchy as the first time, but still a bit itchy. This use I followed the same procedure and again a bit itchy on the back, not on top. I would also suggest using a dark colored towel since this does stain towels, I have a dark turquoise towel and you can see the grey/black cloud where I dried my hair. I tried it on my beard which is 80% grey/white and although this does work on my beard, the color fades off after 3-4 days, leaving a light brown tint. Overall I would recommend it, it works better than a lot of other products.
L**H
Great Coverage & Easy to Use (Annual Go-To!)
I’ve been buying this Semi-Permanent Black Hair Dye Shampoo every year because it truly works. It is one of the easiest ways to get my hair fully black without the mess of traditional kits. The Pros: Full Coverage: It never leaves patches; my hair comes out a deep, consistent black every single time. Convenience: Using it like a regular shampoo makes the process much faster and less intimidating. Longevity: For a semi-permanent product, the color holds up very well over time. The One Downside: The only annoying part is that it tints skin very easily. If it touches your forehead or scalp, it can be quite stubborn to wash off. I usually have to use a bit of alcohol and scrub fairly hard to remove the staining from my skin, so I definitely recommend using a barrier cream (like Vaseline) around your hairline before starting! High-quality color that lasts, just be careful with the application to save yourself the scrubbing later.
Trustpilot
1 month ago
2 days ago