L'Oreal Paris Colorsonic Ammonia Free Permanent Hair Color Cartridge - Device Sold Separately - Soft Black 2AA: Liquid, Paraben-Free
$22.49 ($4.14/fluid ounce) reg $29.99
Sale save $7.50 (25% off)
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Guests are saying
The L'Oreal Colorsonic hair color device offers a modern and convenient way to dye hair at home, making the process easier and less messy than traditional methods. Many guests appreciate the sleek design, clear instructions, and effective color application. While some found the device a bit bulky and the cartridges pricey, the overall results are often praised for their vibrancy and shine. This product is ideal for those looking to save time and achieve salon-quality results at home.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
4.1 out of 5 stars with 1498 reviews
effectiveness: 2.7 out of 5
quality: 2.71 out of 5
value: 2.43 out of 5
40% would recommend
57 recommendations
4 out of 5 stars
27 March, 2026Verified purchase
Convenient
Love the convenience of the color cartridge it doesn't seem to cover the gray as well as a box does
5 out of 5 stars
13 March, 2026Verified purchase
(no review title)
Excelente product
1 out of 5 stars
2 February, 2026
originally posted on lorealparisusa.com
0/5 – Completely useless for gray coverage
I really wanted to like the L’Oréal Color Sonic and this was a gift for my birthday, but this product is absolutely useless when it comes to covering gray hair. The device itself might be a good idea and the technology behind the applicator seems promising, but the hair color cartridges simply do not work. They do not cover gray hair at all. I tried this twice to make sure it wasn’t user error. • First, I used shade 5G. • Then I gave it a second chance and tried shade 5. The results were exactly the same both times: less than 10% gray coverage — honestly, probably not even 5%. It looks as if I applied nothing at all. I’m attaching photos so you can clearly see the results. My gray hair is still completely visible, unchanged, and uncovered. This product did absolutely nothing. For the price and the hype, this is extremely disappointing. A good machine means nothing if the color itself doesn’t work. I would not recommend this product to anyone, especially if gray coverage is your goal.
1 reply from LeCare team - 2 months ago
Hi ACubillan! We are sorry to hear of your experience with Colorsonic Cartridge,5G-Medium Golden Brown. We know how disappointing it can be to look forward to a new application of color only to find that your results are not what you expected. Please reach put to us at the 800 number on the box, and give our Rep case #45084606 when you call.
2 out of 5 stars
Thumbs down graphic, would not recommend
31 January, 2026Verified purchase
I'm worth it but price of color isn't
Had been going to a salon & paying the high prices for color & didn't feel like it was worth that much money, so decided to do it myself. This color seemed to match my own but once applied didn't see much difference. The grays were definitely not colored & my feel like my roots were fully colored either. Will try just getting a box of color & applying it with a brush to get the roots & grays covered completely. Not worth this price point.
1 out of 5 stars
25 January, 2026
originally posted on lorealparisusa.com
Cool idea, almost zero white coverage
Light ash brown does not come close to covering white hairs. I saturated, waited 40 min, and it’s like I never did it. So so disappointed as the idea is brilliant and it was easy to use the device, so I took the towel off my head and , sigh. It’s supposed to be a full coverage product!!
1 reply from LeCare team - 2 months ago
Hi Kkm617! Thank you for taking the opportunity to try Colorsonic Hair Color Device. We are sorry to hear you did not achieve coverage on white hair! We apologize for the inconvenience and will pass along your feedback to others in our company for consideration.
2 out of 5 stars
Thumbs down graphic, would not recommend
12 January, 2026Verified purchase
(no review title)
Loved the device - I have dark brown to black hair color that has quite a lot of gray. I left the product on a little longer than recommended since I was covering grays but did not offer any coverage - did seem to tone them down a little but just does not work at all for my hair to cover grays.
1 reply from L'OrealParisProductExpert team - 3 months ago
Hi Amber. Thank you for reaching out to L'Oreal. We are sorry to hear about the experience you had with the Colorsonic Color Cartridge. We would like to speak with you directly about it. Please give us a call at 800-631-7358, M- F, 9am - 5:30pm, ET and let us know you contacted us through a review. It would be helpful if you could have the product available when you call, as well as providing the agent with your username. Looking forward to speaking with you.
1 out of 5 stars
23 December, 2025
originally posted on lorealparisusa.com
Don’t bother. Too expensive and breaks quickly
Don’t bother. It stopped working after having it for only 13 months and would only use it not worn once a month. It just stopped working. Contacted Loreal, emailed the necessary information they requested and never heard back. It’s too expensive to only work not even a year. My friend had the same problem, just stopped working. Loved it while it lasted. Very disappointed.
1 reply from consumer care center team - 3 months ago
Hi Aixa. Thank you for reaching out to L'Oreal regarding the Colorsonic Appliance. We are sorry to hear your appliance stopped working. We’d like to help! Please call us at 800-631-7358, M-F, 9am-5:30pm, ET and provide us with your case #44553836. Please have the product with you when you call. Looking forward to hearing from you!
5 out of 5 stars
Thumbs up graphic, would recommend
7 December, 2025Verified purchase
(no review title)
Super simple and easy to utilize!
1 out of 5 stars
3 December, 2025Verified purchase
(no review title)
The box was dented
1 reply from L'OrealParisProductExpert team - 4 months ago
Hi Grace! Thanks for reaching out to us regarding Colorsconic Hair Color Cartridge. We're sorry to hear that the box was dented. Please contact Target for replacement/reimbursement.
1 out of 5 stars
Thumbs down graphic, would not recommend
10 November, 2025Verified purchase
Save your money!
Color completely washed out after application. Save your money and just buy the box dye.
1 reply from L'OrealParisProductExpert team - 5 months ago
Hi Rosa. Thank you for reaching out to L'Oreal. We are sorry to hear about the experience you had with the Colorsonic Haircolor. We would like to speak with you directly about it. Please give us a call at 800-631-7358, M- F, 9am - 5:30pm, ET and let us know you contacted us through a review. It would be helpful if you could have the product available when you call, as well as providing the agent with your username. Looking forward to speaking with you.
2 out of 5 stars
Thumbs down graphic, would not recommend
29 October, 2025Verified purchase
Horrible hair color, good device
Horrible hair color, good device. The brush device is great, easy to use and clean, makes coloring hair wildly more pleasant and simple. But the dye itself barely lasts 3 washes. I have brown hair with some greys and within a week, my greys were showing again. Major bummer because the device is awesome. They need to make better quality dye AND get the price point for refills closer to a box dye rate.
1 reply from L'OrealParisProductExpert team - 5 months ago
Hi Melanieshops. Thank you for reaching out to L'Oreal. We are sorry to hear about the experience you had with the Colorsonic Haircolor Cartridge. We would like to speak with you directly about it. Please give us a call at 800-631-7358, M- F, 9am - 5:30pm, ET and let us know you contacted us through a review. It would be helpful if you could have the product available when you call, as well as providing the agent with your username. Looking forward to speaking with you.
1 out of 5 stars
Thumbs down graphic, would not recommend
15 October, 2025Verified purchase
Often doesn't work
This product works well sometimes. These are really expensive and several of them did nothing. There isn't an expiration date on the box so it's impossible to know how long it was sitting on a shelf before I purchased it.
1 reply from L'OrealParisProductExpert team - 5 months ago
HI Kristy. Thank you for reaching out to L'Oreal regarding the Colorsonic Hair Color Cartridge. We are sorry your results were not what you were expecting. We’d like to help! Please call us at 800-631-7358, M-F, 9am-5:30pm, ET and provide us with your case #43241571. Please have the product with you when you call. Looking forward to hearing from you!
1 out of 5 stars
Thumbs down graphic, would not recommend
6 October, 2025Verified purchase
Did not work at all – gray hairs not covered
have used the L’Oréal Colorsonic in this exact color before and always got excellent results. However, this time, the product was much more liquid than usual and did not cover my gray hairs at all. I followed the instructions carefully, but there was no visible effect on my hair. Very disappointed, and I would not recommend this batch of the product.
1 reply from L'OrealParisProductExpert team - 6 months ago
Hi Elisangela. Thank you for reaching out to L'Oreal regarding the Colorsonic Color Cartridge. We are sorry your results were not what you were expecting. We’d like to help! Please call us at 800-631-7358, M-F, 9am-5:30pm, ET and provide us with your case #43217069. Please have the product with you when you call. Looking forward to hearing from you!
5 out of 5 stars
21 September, 2025
originally posted on influenster.com

Love it!
[This review was collected as part of a promotion.] This worked amazing on my hair! It was so easy to apply and only took one hand once I got it set up. Set up was simple with no mess left behind. The packaging has the instructions and makes it easy to understand. The color range made it easy to pick which color I needed and blended into my hair perfectly! My color looks great on wet or dry styles. I’m so impressed
4 out of 5 stars
14 September, 2025
Recommend
There is a learning curve in using the device but once you get the hang of it it’s great. Good coverage, easy to apply. You’ll get two uses out of each cartridge, not more unless you’re just doing roots.
1 out of 5 stars
Thumbs down graphic, would not recommend
14 September, 2025
Defective cartilage
The cartilage I received was defective it did not mix the color.
1 out of 5 stars
Thumbs down graphic, would not recommend
27 August, 2025Verified purchase
Not worth the trouble
Does not work well with device
1 reply from L'OrealParisProductExpert team - 7 months ago
Hi Critik. Thank you for reaching out to L'Oreal regarding the Colorsonic Color Cartridge. We are sorry to hear the color cartridge did not work well. We’d like to help! Please call us at 800-631-7358, M-F, 9am-5:30pm, ET and provide us with your case #42575204. Please have the product with you when you call. Looking forward to hearing from you!
3 out of 5 stars
Thumbs down graphic, would not recommend
24 August, 2025Verified purchase
Color does not last
While I like this color initially, after 3 washes the color washes off and I needed a touch up already. It’s good for a quick fix last minute touch up but not long term hair color. I thought it would save me money but I end up buy more hair dye to cover the grays. I hope they improve the formula.
1 reply from L'OrealParisProductExpert team - 7 months ago
Hi there, PurpleBox! We appreciate you taking the time to reach out about our Colorsonic Ammonia Free Hair Color. Consumer feedback is very important to us and allows us to improve all our products. We will be sure to pass all your feedback along to the appropriate team. We hope you will continue using more of our products soon with full satisfaction with the results!
1 out of 5 stars
Thumbs down graphic, would not recommend
21 August, 2025Verified purchase
Do not buy
Color is not accurate. Did not cover grays well. Only lasted for 1.5 uses- not 3 as it indicates in the description.
1 reply from L'OrealParisProductExpert team - 7 months ago
Hi MT. Thank you for reaching out to L'Oreal regarding the Colorsonic Haircolor Cartridge. We are sorry your results were not what you were expecting. We’d like to help! Please call us at 800-631-7358, M-F, 9am-5:30pm, ET and provide us with your case #42494211. Please have the product with you when you call. Looking forward to hearing from you!
2 out of 5 stars
16 July, 2025
originally posted on lorealparisusa.com
Was hopeful, then disappointed
This is not an easy device to use. Too many steps, charging, cleaning....etc. I was very disappointed because of the mess it makes, very difficult to use. The cartridge's are hard to find and do not last as long as promised. Would not recommend.
1 reply from LeCare team - 7 months ago
Hi ncgirl. Thank you for reaching out to L'Oreal and sharing your comments on the Colorsonic appliance. Feedback from our consumers is very important to us and helps us improve all of our products! We appreciate you sharing your experience. We thank you for giving this product a try as we will be passing on your comments to others in our team. We hope you continue using our products!