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ColorStrong Permanent Zero Ammonia Hair Dye in 3.0 Darkest Brown offers a professional-grade, multidimensional color experience powered by an innovative AHA bonding system. This ammonia-free formula delivers 100% gray coverage while reinforcing hair structure at every step, ensuring vibrant, long-lasting results inspired by the vibrant hues of Havana.



D**4
Gentle, great color, covers stubborn grays!
The reviews on this product are mixed, and I dont really understand how so I'm writing this to add my two cents..While on vacation I purchased this from CVS because my grays were really grown out.. The instructions were very easy to follow..I applied the clear primer, then mixed the developer and color together and began to apply to my roots. After waiting 25-30 min, I could see the color had developed fully and rinsed the dye off in lukewarm water in the shower then applied the included conditioner.My hair came out amazing, felt much softer than my previous brand, the color was a great match and all grays were actually covered!I did notice that when the bathroom was cold, the color wasnt developing as quickly until after I turned a heater on inside the bathroom.. but I've also noticed this with other brands in the past.After my hair dried, it did feel much softer, not as dried out as with the other brand.. and the color lasted without fading until the next time my roots grew out!I actually ended yo switching to this brand and the Toscana color, because its a more natural color and tone for my complexion! After 2 root touch ups, the color looks even nicer since I'm able to see it grown out a couple of inches, and it looks great in the sunlight!As for the "multidimensional" color, I didn't notice any significant miracles with the middle or ends if my hair because I've dyed it so dark the last 15 years, that nothing is going to add any highlights or dimension.. I do plan in using this and we'll see how it looks after the old brand has completely grown out, I can't wait to see my hair completely colored by this brand in the Toscana color.I had a great experience with this product and other brands failed to color all of my grays.. I was definitely impressed by the performance, the smell, it feels more gentle than my previous brand, and my hair doesn't feel as dry or coarse after using this 2 times.I hooe this helps anyone in the fence about purchasing this.. I may update this review again after more touch ups, and I think there are going to be some nice before/after photos too, as the color is more natural on me than any previous dyes I've used.
J**G
Effective color change, even color result, with little or no damage to hair
I used 6.4 Light Copper Brown on my medium golden brown hair—so, not a dramatic change, just swapped the tone and lightened one level. It turned out beautifully, and my hair doesn’t feel dry at all—honestly, it doesn’t even feel like I colored it, just POOF magic color change. I started my 30 minute timer after completing the application, and left it on for an extra five minutes, per the box’s instructions for 6.4 (and a few other tones).I bought two boxes back in February, and only got around to using them recently (July). Two boxes was enough to coat my knee-length hair, which was a nice surprise. However, there was not enough primer to coat my hair; I just combed both sachets through and hoped for the best. It seems to have turned out well.I use AHA in my skincare (it’s a mild chemical exfoliant, among other things), so I knew I’d react well to it. I still did a patch test with everything in the box, because it’s a new formula and you never know.Note: Don’t put the primer on your scalp! The instructions have this caution, but I see from a couple reviews here that some people didn’t notice that. :-) It won’t cause any harm, but there might be some itching or stinging if you have a sensitive scalp. Mid-lengths only!For me, there was no unpleasant smell, and no hair damage. You may already know that ammonia isn’t the damaging component of hair color—that’s the odorless hydrogen peroxide in the developer. However, the ammonia doesn’t make the experience pleasant, so I’m glad this formula is both effective and ammonia-free. It also doesn’t drip badly, and it was remarkably easy to wipe up stray specks. I’m used to spending the development time cleaning up, but it was a breeze this time.It was a conservative color change, but I’m really pleased with how it turned out. No hot roots, no uneven color, no damage that I can feel. I’ve already ordered two more boxes in another shade and level, to make a more dramatic change next time I color. Reds are always tragically short-lived, but I’ll update this review if the color fades faster than competing formulas. So far, so good!
C**C
Happy Scalp
After years of using Revlon, Colorsilk, the formula must’ve changed or my body did. My scalp would itch for a week after dying and it felt like I had fleas in my head. I looked for an ammonia free dye and came across this brand. So excited, no more after dye itchy scalp! A bit more than expensive. It colors the greys and leaves hair soft and silky. Give it a shot if you’re on the fence!
B**
Pleasantly surprised
Great so far. I use the clariol root touch up so I know that this brand runs dark on brown shades, especially if you have colored your hair previously. Five was a four on my hair and turned out great. Good grey coverage, not 100% but close enough that I’m happy. I have to say this is the softest my hair has ever been after coloring. And it smells great.Warning. This will stain your face, your hands, your eats, your neck, definitely use some barrier cream on those areas.So far, I love it and I’m very happy with it. I will be re-purchasing it if all goes well. I will update the review in a couple weeks about the longevity.
M**D
Its good but not great on greys
Goes on good, had to use two bottles because I have really long and thick hair. It rinsed out good the bonding stuff you use after the color is rinsed is great it made my hair really soft. However the gray coverage is lacking it didn't barely cover my grays at all I even left it on the extra 5 minutes so for me its not as good as other clairol dyes I wont be using it again
H**G
Good product, good value.
Does not leave my hair feeling straw-like and damaged when I rinse it out. Good coverage - the Big Sur shade blends well with my greys. I would recommend.
T**2
Great coverage
Wow! Surprised at how well this covered my blond highlights . They had grown out and was looking for color close to natural color . This did the trick and covered grays as well.
Trustpilot
2 weeks ago
3 days ago