iNOA Ammonia Free Permanent Hair Color

iNOA Ammonia Free Permanent Hair Color is rated 4.5 out of 5 by 622.
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What It Is

iNOA is a certified vegan, ammonia-free permanent hair color with patented Oil Delivery System technology and an oil-based formula, offering 3 boosters and 91 intermixable shades*, up to three levels of lift, gentle 100% grey coverage and all-over color application, suitable for double-process services. 

*Excludes iNOA Intense Reds (Carmilane™, Rubilane™, and DM5 special technologies), which should not be intermixed with any shades aside from iNOA Clear.

What It Does

• Provides 100% multidimensional grey coverage with long-lasting results.

• Leaves hair visibly healthier and 48% shinier**.

• Offers an odorless, no-drip formula for comfortable and easy application.

• Maintains hair pattern and helps improve porosity.

**vs. unwashed, uncolored hair

What Else You Need to Know

• 1:1 mixing ratio with iNOA Oil Developer (10, 20, or 30 volume). Do not use with other developers.

• 35-minute processing time.

• Easy mixing, application, and rinsing.

• Fragrance free.

• For all hair formations.

Preparation:

• Measure 2.1 oz./60 g. of iNOA Oil Developer (10-, 20-, or 30-volume) into an iNOA measuring cup or iNOA doser for accuracy.

• Add 1 tube (2.1 oz./60 g) of iNOA hair color.

• Mix together until a smooth, creamy texture is obtained. Application On dry hair, mist Metal Detox Pre-Treatment Spray on each hair section and apply iNOA formula with a brush. Development time: 35 minutes

Technical Rules for Coverage:

• Up to 70% white hair: Mix chosen target shade with iNOA Oil Developer 10-/20-/30-vol. Apply and process 35 min.

• Between 70% and 100% white hair: If the chosen target shade is warm, mix ½ tube of the chosen target shade + ½ tube of the Gold Natural shade at the same level. If the chosen target shade is cool, mix ½ tube of the chosen target shade + ½ tube of the Natural shade at the same level. If looking for deeper or more opaque coverage, mix ½ tube of the chosen target shade + ½ tube of the Extra Coverage Natural shade at the same level. For midlengths and ends, use target shade only. Development time: 35 min.

Rinsing:

• When development time is complete, thoroughly rinse color from the hair and shampoo once with iNOA Post-Color Shampoo and once with Metal Detox Shampoo to pro guarantee your color result. Follow with Metal Detox Mask.

Take through with Dia Light:

• To best preserve the integrity of the hair, benefiting from Dia Light’s unique acidic pH technology. The take-through time will depend on the desired end result.

• Slight or moderate color change: take through for the final 10 minutes of iNOA development, using 9-volume Diactivateur.

• Dramatic color change: take through for the final 20 minutes of iNOA development, using 9-volume Diactivateur.

Take through with iNOA:

• On virgin hair only. The take-through time will depend on the desired end result.

• Slight color change: take through for the final 5 minutes of development time.

• Moderate color change: take through for the final 20 minutes of development time.

• Dramatic color change: take through immediately.

PARAFFINUM LIQUIDUM/MINERAL OIL/ HUILE MINERALE • AQUA/WATER/EAU • ETHANOL- AMINE • COCO-GLUCOSIDE • SODIUM LAURYL SULFATE • PEG-40 HYDROGENATED CASTOR OIL • HYDROXYPROPYL GUAR • TOLUENE- 25-DI- AMINE • HYDROXYBENZOMORPHOLINE • SODI- UM METABISULFITE • EDTA • HYDROXYETH- YL-34-METHYLENEDIOXYANILINE HCL • NN-BIS(2-HYDROXYETHYL)-p-PHENYLENEDI- AMINE SULFATE • ASCORBIC ACID • m-AMINO- PHENOL • 2-AMINO-3-HYDROXYPYRI- DINE • THIOGLYCERIN. FIL. T292643/1.

Purchases made in SalonCentric stores may be returned to any SalonCentric store. Purchases made through SalonCentric Customer Service, SalonCentric Business Partners, and SalonCentric.com orders Sold and Shipped by SalonCentric may be returned to a SalonCentric store; however, the return must not exceed $450 and must include the original receipt, packing slip, or invoice. For returns in-store of online orders, the refund will be credited back to the original payment method once the return has been processed. For SalonCentric.com Online Exclusive orders sold and shipped by third-party sellers, please see more details linked below for return steps.

The SalonCentric return policy does not currently apply to Kérastase & Shu Uemura purchases. Kérastase & Shu Uemura do not accept returns.

Click to see more details.

Rated 4 out of 5 by from Solid color line Overall it is a solid color. Has a nice smell covers grays and is a nice texture when mixed. It’s a good alternative if I my usual brand is out of stock
Date published: 2025-10-26
Rated 5 out of 5 by from Perfect match This hair color was so easy to mix and use on my client. It provided flawless coverage and beautiful pigment. No breakage or irritation at all.
Date published: 2025-10-23
Rated 4 out of 5 by from Low Smell, Easy to Use I received this color for free for my honest review. I was happy to sample this, as my clients are always looking for healthier, less toxic products for color services. I received 6+7N to try. Overall the tones were good, even though the color is shiny and pigmented, it still seemed a little dimensional. If your client is picky for opaque coverage, this may not be the best choice. It also seemed like it’s a bit pricey compared to other low/no ammonia colors in a similar size. Overall, it seems to be a good quality product.
Date published: 2025-10-23
Rated 5 out of 5 by from Runs true to tone These colors seem to work normal. They might run a little Lighter but they are nothing specific. Must mix with the assigned developer for it to process evenly.
Date published: 2025-10-23
Rated 3 out of 5 by from Overall a solid color Mixes well and covers my clients gray hair nicely! It has a nice smell and my client loves it.
Date published: 2025-10-22
Rated 5 out of 5 by from Very nice Product works well, gives me the coverage I need and the is nice and shiny afterwards. It's really smooth and easy to work with, it's not super strong scent wise either.
Date published: 2025-10-21
Rated 4 out of 5 by from Great color! Works great! Great coverage with amazing shine that gives the hair great dimension!
Date published: 2025-10-21
Rated 4 out of 5 by from Works well I received this to review from BzzAgent..Perfect for clients with sensitive scalps, who want gentler formulas, good shine, little to no smell..pretty good coverage for an ammonia free option.
Date published: 2025-10-21
Rated 5 out of 5 by from Great gray coverage! Excellent gray coverage! Very gentle on my hair and the color took very evenly. Also left my hair very soft
Date published: 2025-10-21
Rated 5 out of 5 by from great coverage I used iNOA No Ammonia Permanent hair color in 6n, it provided excellent grey coverage with a rich natural looking brown that exceeded my expectations. The hair felt soft, looked shiny and healthy afterwards.
Date published: 2025-10-21
Rated 5 out of 5 by from I recommend No smell. Great mix ability. Great consistency. And ultimate scalp comfort
Date published: 2025-10-21
Rated 5 out of 5 by from Loveee Love the smoothness of the color. Great coverage and rich color
Date published: 2025-10-20
Rated 5 out of 5 by from Great! Very shiny, full grey coverage. No greasy residue!
Date published: 2025-10-16
Rated 4 out of 5 by from Decent product [Employee of saloncentric] The smell is not overly strong, which is nice. Good coverage but alittle darker than the level I had received. I would adjust and buy again.
Date published: 2025-10-16
Rated 4 out of 5 by from Good coverage for gray This color is did a great job as far as covering and I was pleased with that
Date published: 2025-10-16
Rated 5 out of 5 by from Shiny and Easy to Use The consistency of the color feels like a lotion application, which makes the application part very easy! It does not have a very strong smell, which I really appreciated in the color for gray coverage came out so beautiful and shiny.
Date published: 2025-10-16
Rated 4 out of 5 by from Nice pigment The consistency is very well. And the color turned out beautiful
Date published: 2025-10-16
Rated 5 out of 5 by from Beautiful color I enjoyed trying iNOA in 7N and 6N it’s not my usual go to for color, so I’m glad I received a sample to try. I will definitely be adding it into my lineup.
Date published: 2025-10-15
Rated 5 out of 5 by from Amazing "I received these products for free from brand(s) in exchange for my honest review." This is the perfect hair color for complete coverage with beautiful results. It has no ammonia which I love! I love this hair color. It provides such an amazing color that is bright and vibrant. It has lasting results that blend beautifully into the hair especially with natural looking results. It provides you with the perfect color with the exact color you desire. It has a high shine, permanent hair color that leaves the hair shinier and smoothes down the cuticle leaving it smoother also. This is super easy application and consistent reliable results I absolutely love it. I highly recommend this fabulous product!
Date published: 2025-10-15
Rated 4 out of 5 by from Good overall color Color was easy to apply and the product was a good consistency. It provides good Grey coverage and a nice glossy color
Date published: 2025-10-13
Rated 5 out of 5 by from I would use again. Thank you L'Oréal for allowing me to try the iNOA No Ammonia Permanent Hair Color in exchange for my honest review. When using the iNOA No Ammonia Permanent Hair Color it was easy to work with, no excessive dripping - a very nice consistency. The product provided great coverage with minimal odor as well. After styling the hair appears healthier with shine and movement.
Date published: 2025-10-13
Rated 4 out of 5 by from Great color line Color has a great consistency and application is smooth. Great saturation. Finished product was shiny and good coverage.
Date published: 2025-10-13
Rated 4 out of 5 by from Not my usual brand however I received a sample of a copper red and used it on a client. Was pleasantly surprised that is covered her gray well without giving hot roots
Date published: 2025-10-13
Rated 5 out of 5 by from It's Nice I really like the the iNOA no ammonia permanent hair color. It seems to be pretty good at covering gray. It also left my client's hair really shiny!
Date published: 2025-10-13
Rated 4 out of 5 by from Enjoyed using this product Really enjoyed this product smells fantastic, results were great
Date published: 2025-10-11
Rated 4 out of 5 by from Nice color blending but not completely cover gray I really appreciate the lower smell and no ammonia version but I wouldn't say this is necessarily complete gray coverage... More gray blending/ you can still differentiate some of the grays that were colored but not opaque.
Date published: 2025-10-11
Rated 3 out of 5 by from Eh There’s better color from L’Oréal. I did appreciate the lack of smell
Date published: 2025-10-11
Rated 4 out of 5 by from INOA 6N and 7N I tried INOA 6N and 7N permanent color. The shine and softness that came from this color was amazing. I could see the variants in color on gray vs natural. It made for a highlighted look without trying. It was a win for me. It might not be the color for you if your looking for a more flat, opaque look.
Date published: 2025-10-09
Rated 5 out of 5 by from Excellent Grey Coverage The colors I used were 6N and 7N. Mixed equal parts and loved the shade. Used on client with 100% grey and was evenly covered. Left the hair shiny and full.
Date published: 2025-10-09
Rated 4 out of 5 by from Decent color Loreal sent me this free sample through the BzzAgent sampling program. I definitely liked this product, but didn't love it. I feel like loreal makes better products than this. Overall decent coverage and nice shine added to hair, but not the greatest. Smell isn't terrible, would probably be best for more sensitive skin/sensory concerned clients. I would recommend this product.
Date published: 2025-10-09
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  • loc_en_US, sid_loreal-professionnel-inoa-permanent-haircolor, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
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Resources

See What's New

French Blending gray coverage vs. Classic gray coverage before and after photos
Retouch blending, dimensional grey blending salon service before and after photo

FAQs

A: It’s a trademarked L’Oreal Professionel service that pairs innovative, unique color recipes with technique to follow the grey pattern, instead of covering them.

A: French Blending is a highly personalized strategy pairing unique color recipes with innovative application techniques for more natural, multidimensional grey coverage.

A: For anyone seeking a natural, modern, low-maintenance approach to greys. For clients who prefer enhancing their natural tones rather than masking them.

A:


1. Retouch Blending: Loyal clients who do touchups at home. 

  • Blend greys with a seamless low-maintenance touch-up. 


2. Total Blending: Retain loyalty clients & wants less maintenance. 

  • Embrace greys with a blended, tailor-made look. 


3. First Blending: Recruit 1st grey color service in-salon. 

  • Blend the first signs of greys, with a natural, lived-in result. 

A: The service relies on iNOA, Dia Color, Blond Studio, and Dia light, allowing colorists to combine tone, depth, lightener with precision for a fully customized result.

A: iNOA is an ammonia-free permanent hair color powered by Oil Delivery System (ODS) technology. Its 60% oil-based formula uses the hydrophobic nature of oil and water to deliver colorant deep into the hair's cortex, with a low dose of monoethanolamine (MEA) gently opening the cuticle in place of ammonia. The result is a completely odorless application that disturbs the hair cuticle less than traditional permanent color, delivering added shine and a visibly healthy finish on all hair formations. iNOA color and developer are also certified 100% vegan.

A: iNOA follows a 1:1 mixing ratio — combine 2.1 oz. of iNOA color with 2.1 oz. of iNOA Oil Developer (available in 10, 20, or 30-vol.). Process for 35 minutes for up to 100% grey coverage. For detailed instructions on applying color through the lengths and ends, refer to the iNOA Technical Guide.