L’ORÉAL PROFESSIONNEL INOA 7.31 GOLDEN ASH BLONDE

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L’Oréal Professionnel iNOA 7.31 Golden Ash Blonde is an ammonia-free permanent hair color powered by the exclusive ODS (Oil Delivery System) patented technology containing 60% oil, delivering high-impact color, 48% more shine, and optimal scalp comfort . This revolutionary formula replaces traditional ammonia with an oil-based delivery system, providing a pleasant, odorless coloring experience while offering 100% white hair coverage and up to 3 levels of lift .
The 7.31 Golden Ash Blonde shade—described as 7.31/7GB—delivers a sophisticated, multi-dimensional finish with a perfect balance of golden and ash reflects, making it an incredibly versatile shade that flatters a wide range of skin tones . The formula provides 43% less hair porosity, 20% more scalp hydration, and 6 weeks of anti-dryness effect, keeping hair hydrated, healthy-looking, and radiant between salon visits .
The vegan formula features a more fluid, manageable texture that is faster and easier to apply, mix, and rinse compared to previous iNOA formulations, with the tube made of 95% recycled aluminum for reduced environmental impact .
Mix at a 1:1 ratio (1 tube color to 1 part developer) with iNOA Oil Developer 20-volume (6%) or 30-volume (9%), depending on desired lift . For virgin hair, full development time is 35 minutes at room temperature. For white hair coverage up to 70%, use the target shade alone; for 70-100% white hair, mix with Gold Natural or Natural shades at the same level for optimal coverage .
This product is intended for professional use only. To use, mix 1 tube (60g) of iNOA 7.31 Golden Ash Blonde with 60g of iNOA Oil Developer, apply to dry, unwashed hair using sectioning techniques, process for 35 minutes, then emulsify gently, rinse thoroughly, and finish with iNOA Post-Color Shampoo or Metal Detox Shampoo . Always perform a patch test 48 hours before any coloring service.
Description

Table of Contents

L’ORÉAL PROFESSIONNEL INOA 7.31 GOLDEN ASH BLONDE

PRIMARY USES

1. Ammonia-Free Permanent Hair Color Powered by Oil Delivery System
  • What it does: iNOA 7.31 is an ammonia-free permanent hair color formulated with the exclusive ODS (Oil Delivery System) patented technology containing 60% oil, which replaces traditional ammonia to deliver high-impact color while providing optimal scalp comfort. The vegan formula is odorless, making the coloring process pleasant for both stylist and client, and features a fluid texture that is faster and easier to mix, apply, and rinse.
  • How it helps your hair: For the person who is sensitive to strong chemical odors or experiences scalp discomfort with traditional ammonia-based colors, this provides a pleasant, odorless coloring experience. For anyone seeking vibrant, long-lasting color without compromising hair health or scalp comfort, this means a professional formula that respects both hair integrity and sensory comfort.
2. Provides 100% White Hair Coverage with Up to 3 Levels of Lift
  • What it does: This permanent hair color delivers 100% white hair coverage while providing up to 3 levels of lift, making it suitable for clients with significant grey coverage needs who also want to lighten their base . The 60% oil base helps preserve the natural protective film of the hair while ensuring maximum color intensity, and the formula offers clinically proven 20% more scalp hydration .
  • How it helps your hair: For the person with grey or white hair who wants complete coverage while also achieving lighter blonde results, this provides a single-product solution that addresses both needs. For anyone who has struggled with patchy coverage or resistance to lightening, this means a professional formula trusted by stylists for consistent, beautiful results.
3. Up to 48% More Shine and 6 Weeks of Hydration
  • What it does: The ODS technology delivers 48% more shine compared to uncolored hair, with results lasting through 6 weeks of intensive moisture balance . The formula provides an anti-dryness effect, keeping hair hydrated and healthy-looking between salon visits, and offers 43% less hair porosity .
  • How it helps your hair: For the person who wants their color to look fresh, glossy, and healthy beyond the first week, this provides long-lasting shine and hydration. For anyone who has experienced dry, dull hair after coloring, this means a formula that maintains moisture and radiance.
4. 7.31 Golden Ash Blonde Shade
  • What it does: Shade 7.31 is a Golden Ash Blonde, described as 7.31/7GB, delivering a balanced, multi-dimensional finish with a blend of golden (warm) and ash (cool) reflects . This combination creates a sophisticated, neutral result that is neither too warm nor too cool, part of the warm brown shade family .
  • How it helps your hair: For the person wanting a blonde that is perfectly balanced—neutralizing unwanted brassiness while maintaining natural warmth and dimension—this provides the ideal middle ground. For anyone who finds pure ash tones too flat or golden tones too yellow, this means a versatile golden ash shade that flatters a wide range of skin tones.
5. Vegan Formula with Eco-Responsible Packaging
  • What it does: The formula is vegan, containing no animal-derived ingredients or by-products, and features a tube made of 95% recycled aluminum . The new formula is more sustainable and includes a QR code on the carton linking directly to education resources.
  • How it helps your hair: For the person who prefers vegan, cruelty-free beauty products, this provides a professional color option that aligns with their values. For salons seeking more sustainable practices, this means a product with reduced environmental impact.

SECONDARY USES

1. Root Touch-Up on Colored Hair: Apply only to regrowth area where natural hair needs to be recolored to match previously colored lengths, using 20 or 30 volume developer at 1:1 ratio, developing for 35 minutes . For the person maintaining their golden ash blonde color between full applications, this provides a precise root touch-up solution that keeps color consistent and even.
2. Global Application on Virgin Hair: Apply evenly to dry, unwashed virgin hair for an all-over golden ash blonde transformation, using 20 or 30 volume developer depending on desired lift (up to 3 levels), developing for 35 minutes . For the person wanting to achieve a balanced, neutral golden ash blonde from natural hair, this provides the ideal single-process solution.
3. Grey Coverage for Resistant Hair: For clients with up to 70% white hair, use the target shade alone with 20 or 30 volume developer; for 70-100% white hair with warm coverage, mix ½ target shade with ½ Gold Natural shade at the same level; for cool coverage, mix with ½ Natural shade . For the person with emerging grey who wants natural-looking coverage, this provides a customizable approach.
4. Take Through with Dia Light: To best preserve previously colored lengths, take through with Dia Light using 9-volume Diactivateur for the final 10-20 minutes of development, depending on desired color change . For the person wanting to refresh color on already-processed hair while preserving hair integrity, this provides a gentler approach.
5. Pre-lightened Hair Service: For pre-lightened or bleached hair, mist Metal Detox Pre-Treatment Spray on each section before applying iNOA formula for enhanced protection and color results . For the person with previously lightened hair seeking a golden ash blonde refresh, this provides a protective approach.
KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

  • Brand: L'Oréal Professionnel Paris
  • Product Name: iNOA Permanent Hair Colour / INOA 7.31 Golden Ash Blonde
  • Shade: 7.31 Golden Ash Blonde / 7.31/7GB 
  • Shade Family: Warm Brown 
  • Shade Level: Level 7 (Medium Blonde) with 31 Golden Ash reflect
  • Product Type: Permanent hair color / Ammonia-free permanent hair dye
  • Key Benefits: Ammonia-free, 100% white hair coverage, up to 3 levels lift, 48% more shine, 60% oil formula, ODS technology, odorless 
  • Key Technology: ODS (Oil Delivery System) patented technology 
  • Volume: 60g / 60ml 
  • Mixing Ratio: 1:1 (60g color to 60g developer) 
  • Recommended Developers: iNOA Oil Developer 10-vol, 20-vol, or 30-vol 
  • Processing Time: 35 minutes 
  • White Hair Coverage: Up to 100% 
  • Maximum Lift: Up to 3 levels 
  • Formula Integrity: Ammonia-free, vegan, no animal-derived ingredients 
  • Proven Results: 43% less hair porosity, 20% more scalp hydration, 48% more shine, 6 weeks anti-dryness effect 
  • Packaging: Tube made of 95% recycled aluminum 
  • Made in: Spain, Canada, Belgium 
  • Product Codes: EAN 884486511492, EAN 3474630416048 

2. TECHNICAL & FORMULATION PROPERTIES

  • Key Technology 1: ODS (Oil Delivery System) – patented technology using 60% oil to deliver color without ammonia 
  • Key Technology 2: 60% Oil formula – preserves natural protective film of hair, provides optimal scalp comfort 
  • Key Technology 3: Fluid formula – faster and easier to mix, apply, rinse, and extend to lengths 
  • Shade Description: Golden Ash Blonde – balanced blend of golden and ash reflects for neutral, multi-dimensional blonde results
  • Full Ingredient List: Paraffinum Liquidum / Mineral Oil, Aqua / Water, Glycerin, C20-22 Alcohols, Ethanolamine, Oleth-20, Cetyl Palmitate, Deceth-5, Oleth-10, 2,4-diaminophenoxyethanol Hcl, P-aminophenol, M-aminophenol, Ascorbic Acid, Sodium Metabisulfite, 6-hydroxyindole, Thioglycerin, Toluene-2,5-diamine, 2-methyl-5-hydroxyethylaminophenol, 2-methylresorcinol, Carbomer, Resorcinol, Edta, Ceteareth-60 Myristyl Glycol 
  • Primary Function: Provide permanent, ammonia-free color with up to 100% white hair coverage and up to 3 levels lift
  • Application: Mix 1:1 with iNOA Oil Developer, apply to dry, unwashed hair, process 35 minutes, emulsify, rinse 

3. PHYSICAL ATTRIBUTES

  • Product Form: Cream hair color / Fluid formula 
  • Texture: Smooth, creamy, fluid, easy to mix and apply 
  • Color: 7.31 Golden Ash Blonde / Medium Blonde Gold Ash
  • Consistency: Smooth, spreadable cream
  • Scent: Odorless / Pleasant (ammonia-free) 
  • Finish: High-shine, glossy, luminous, up to 48% more shine 
  • Packaging: Tube (60g) with sustainable packaging (95% recycled aluminum) 

4. HOW TO USE

For Professional Use Only:
This product must be used by a qualified hair professional. Do not use at home .
Preparation:
  1. Wear suitable disposable gloves during the entire mixing, application, and rinsing process 
  2. Use a non-metallic bowl and brush for mixing
  3. Do not use on persons under 16 years of age
  4. Perform a patch test 48 hours before each coloring service
Developer Selection :
Developer Volume
Lift Level
Best For
10-vol (3%)
Up to 1 level
Toning, color refreshing, subtle shifts
20-vol (6%)
Up to 2 levels
Grey/white coverage, natural enhancement
30-vol (9%)
Up to 3 levels
Visible color changes, lightening
Mixing :
  • Measure 60g of iNOA Oil Developer into an iNOA measuring cup or doser for accuracy
  • Add 1 tube (60g) of iNOA 7.31 Golden Ash Blonde haircolor
  • Mix together until a smooth, creamy texture is obtained
  • Mixing ratio: 1:1 (60g color to 60g developer)
  • Use exclusively with iNOA Oil Developer; do not use with hydrogen peroxide greater than 30 volume (9%)
White Hair Coverage Guidelines :
White Hair Percentage
Formula
Up to 70%
Target shade alone with 10-/20-/30-vol developer
70-100% (warm coverage)
½ target shade + ½ Gold Natural shade at same level
70-100% (cool coverage)
½ target shade + ½ Natural shade at same level
Deeper/opaque coverage
½ target shade + ½ Extra Coverage Natural shade
Application:
  1. For pre-lightened hair, mist Metal Detox Pre-Treatment Spray on each hair section before applying iNOA formula 
  2. Apply to dry, unwashed hair
  3. Apply to the root area first, then to lengths and ends as needed
  4. Due to its specific texture, the product requires being pressed against the scalp during application 
Development:
  • Processing time: 35 minutes at room temperature 
  • Do not add water during processing
  • Development time starts at the end of the root's application
Rinse and Finish :
  1. After the development time, gently emulsify the product for a few moments by adding a small amount of lukewarm water
  2. Rinse thoroughly until water runs clear
  3. Shampoo once with iNOA Post-Color Shampoo and once with Metal Detox Shampoo
  4. Follow with Metal Detox Mask for optimal results
Pro Tips:
  • When a shaker is used, open immediately after mixing to avoid the shaker bursting and the product overflowing 
  • Do not use on hair colored with henna or metallic salts 
  • Wait at least 2 weeks after a perm, straightening, or smoothing treatment before applying
  • Avoid letting the product drip onto the scalp or skin; rinse thoroughly and abundantly if contact occurs
SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

  • For Professional Use Only: This product is a professional chemical color and must only be used by trained professionals 
  • Hair colorants can cause severe allergic reactions. For you and your client it is therefore essential to follow these precautions 
  • Patch Test: A patch test is obligatory 48 hours before each use. Even if you or your client have already used coloring products before 
  • Protection: Wear suitable disposable gloves during the preparation, application, and rinsing of the product 
  • Do Not Use If: The client has a rash on the face, sensitive/irritated/damaged scalp, has ever experienced a reaction after coloring their hair, or has ever experienced a reaction to a temporary "black henna" tattoo 
  • Not for Use on: Eyelashes, eyebrows (may cause blindness), or persons under 16 years of age 
  • Temporary "black henna" tattoos may increase the risk of allergy 
  • IGNORING AN ALLERGY CAN BE LIFE-THREATENING 
  • Contains: diaminobenzenes, resorcinol, phenylenediamines (toluenediamines) 
  • Storage: Keep out of reach of children. Store upright in a cool, dry place away from direct light and heat 
  • Read and follow the instruction leaflet 

2. FIRST AID MEASURES

  • Eye Contact: If product enters eyes, rinse immediately with plenty of clean, lukewarm water for at least 15 minutes. Remove contact lenses if present and easy to do. If irritation persists, seek medical attention.
  • Skin Contact: If product contacts skin, wash off immediately with soap and water. If irritation or redness develops, seek medical advice.
  • Ingestion: This product is not intended for ingestion. If accidentally swallowed, rinse mouth with water and drink a glass of water. Do not induce vomiting. Seek medical attention immediately.
  • Inhalation: If respiratory discomfort occurs, move to fresh air. Seek medical attention if symptoms persist.
  • Allergic Reaction: Signs may include rash, hives, itching, swelling of the face, lips, tongue, or throat, difficulty breathing, or dizziness. If an allergic reaction is suspected, discontinue use immediately, rinse thoroughly, and seek emergency medical attention.