L’ORÉAL PROFESSIONNEL MAJIROUGE CARMILANE 6.66 DARK EXTRA RED BLONDE

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L’Oréal Professionnel Majirouge Carmilane 6.66 Dark Extra Red Blonde is a permanent hair color specifically formulated to deliver bright, vibrant, and intense red tones that stay true and long-lasting . This professional-grade color features the revolutionary “6.66” double-red intensity code at level 6, providing maximum red pigment concentration for bold, head-turning results .
The formula is enriched with three innovative technologies: Carmilane for superior fade resistance, Rubilane for pure and intense reflects, and DM5 for enhanced vibrancy within copper and red shades . It provides up to 100% grey coverage and can lighten hair up to 3 levels, making it ideal for all-over reds and high-fashion partial techniques like balayage, ombré, and color blocking .
Enriched with Ionène G and Incell technologies, the formula strengthens and reinforces the hair fiber, leaving hair softer, shinier, and more conditioned . The ultra-creamy texture allows for smooth, even application from root to tip with a pleasant fragrance .
Mix at a 1:1.5 ratio (1 tube of Majirouge to 1.5 parts developer) with L’Oréal Professionnel Cream Oxydant . For up to 2 levels of lift and grey coverage, use 20 volume; for up to 3 levels of lift, use 30 volume. For white hair coverage, mix with Majirel golden base shades . Development time is 35 minutes at room temperature.
This product is intended for professional use only. To use, mix with recommended oxidant at 1:1.5 ratio, apply to dry, unwashed hair using sectioning techniques, process for 35 minutes, then emulsify, rinse thoroughly, and follow with a post-color shampoo. Always perform a patch test 48 hours before any coloring service.
Description

Table of Contents

L’ORÉAL PROFESSIONNEL MAJIROUGE CARMILANE 6.66 DARK EXTRA RED BLONDE

PRIMARY USES

1. Permanent Hair Color for Intense, Vibrant Red Tones
  • What it does: Majirouge Carmilane 6.66 is a professional permanent hair color specifically formulated to deliver bright, vibrant, and intense red tones that stay true and long-lasting . Ideal for all-over reds and high-fashion partial techniques like balayage, ombré, and color blocking . The “6.66” designation indicates a Dark Extra Red Blonde shade at level 6 with a double-red reflect for maximum intensity.
  • How it helps your hair: For the person who wants a bold, head-turning red that doesn’t fade quickly, this provides a professional formula engineered specifically for intense red results. For anyone who has struggled with reds that turn brassy or wash out too fast, this means a specialized formula designed to keep red tones vibrant and true.
2. Enriched with Revolutionary Carmilane, Rubilane and DM5 Technologies
  • What it does: The formula contains three innovative technologies: Carmilane for superior fade resistance, Rubilane for pure and intense red reflects, and DM5 for enhanced color vibrancy within selected copper and red shades . This advanced pigment system ensures that red tones stay rich and multidimensional with exceptional depth, intensity, and shine .
  • How it helps your hair: For the person who wants a red that has depth and dimension rather than looking flat, this provides advanced pigment technology for multi-tonal red results. For anyone who wants their red to catch the light beautifully and resist fading between salon visits, this means a formula with superior fade resistance and pure, intense reflects.
3. Provides Up to 100% Grey Coverage
  • What it does: This permanent hair color provides perfect coverage of grey and white hair, ensuring even, uniform results from root to tip . The formula is enriched with Ionène G and Incell technologies that strengthen and reinforce the hair fibre, leaving it softer, shinier, and more conditioned . For white hair coverage, mix with Majirel golden base shades .
  • How it helps your hair: For the person with grey or white hair who wants vibrant, full red coverage, this provides a professional solution that covers resistant grey fibers completely while delivering intense color. For anyone who has struggled with patchy coverage or grey hairs that show through, this means consistent, beautiful results.
4. Provides Up to 3 Levels of Lift
  • What it does: This versatile permanent color can lift hair up to 3 levels, making it ideal for clients who want to achieve a vibrant red from a darker starting level . The formula lightens while depositing intense red pigment, allowing for a true color transformation in a single process .
  • How it helps your hair: For the person wanting to achieve a bright, intense red from darker natural hair, this provides the necessary lift in a single step. For the stylist, this means the flexibility to customize the service based on the client’s starting level and desired result.
5. Ultra-Creamy Texture for Smooth, Even Application
  • What it does: The formula features an ultra-creamy, smooth texture that allows for easy, mistake-proof application and even color results from root to tip . The rich consistency ensures better adherence to the hair and prevents dripping during application.
  • How it helps your hair: For the stylist performing precise color work, this provides a manageable, non-drip formula that enables clean, professional application. For the client, the creamy consistency ensures even coverage and predictable results with minimal mess.
6. 35-Minute Development Time with 1:1.5 Mixing Ratio
  • What it does: The recommended development time is 35 minutes at room temperature, allowing for efficient salon scheduling while ensuring optimal color development and long-lasting results . Mix at a 1:1.5 ratio (50ml color to 75ml developer) with L’Oréal Professionnel Cream Oxydant .
  • How it helps your hair: For the client, this provides a predictable service time that fits into a busy schedule. For the stylist, it enables efficient salon scheduling while ensuring the color has adequate time to develop fully.
7. Available in Professional 50ml Size
  • What it does: This permanent hair color comes in a professional 50ml tube designed for single full-head applications . The packaging ensures product freshness and ease of dispensing in a professional salon environment.
  • How it helps your hair: For salons, this provides a professional-grade product in a convenient size for single applications. For the client, it means their stylist is using a fresh, professional-quality product for their service.

SECONDARY USES

1. Root Touch-Up on Red Hair: Apply only to regrowth area where natural hair needs to be recolored to match previously colored lengths, using 20 volume oxidant and processing for 35 minutes. For the person maintaining their vibrant red color between full applications, this provides a precise root touch-up solution that keeps color consistent and even.
2. Partial Coloring Techniques: Ideal for high-fashion partial techniques such as balayage, ombré, highlights, and color blocking where bright, bold red accents are desired . For the person wanting a pop of intense red in specific sections rather than all-over color, this provides the perfect solution.
3. Global Application on Virgin Hair: Apply evenly to dry, unwashed virgin hair for an all-over intense red transformation, using 20 volume for up to 2 levels of lift or 30 volume for up to 3 levels of lift . For the person wanting to achieve a bold, vibrant red from natural hair, this provides the ideal single-process solution.
4. Grey Coverage Enhancement: For clients with grey hair, mix with Majirel golden base shades for optimal white hair coverage . For the person with grey roots who wants full coverage with vibrant red, this provides a customizable approach.
5. Color Refreshing Service: For a quick refresh of faded red color on mid-lengths and ends, apply with low-volume developer (12.5 volume) and process for 15-20 minutes. For the person whose intense red has faded but still wants to refresh between full applications, this provides a targeted refresh service.
6. Creative Color Blending: Mix with other Majirouge or Majirel shades to create custom red, copper, or burgundy formulations for personalized client results . For the stylist who wants to offer unique, custom red shades, this provides the building blocks for endless creative possibilities.
KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

  • Brand: L'Oréal Professionnel Paris
  • Product Name: Majirouge Carmilane 6.66 / Majirouge C6.66
  • Shade: 6.66 Dark Extra Red Blonde / Dark Extra Red Blonde / 6.66 Carmin
  • Shade Code: 6.66 (Level 6 Dark Blonde with double-red reflect)
  • Product Type: Permanent hair color / Cream hair dye
  • Key Benefits: Up to 100% grey coverage, up to 3 levels lift, intense vibrant red tones, superior fade resistance, long-lasting color
  • Key Technologies: Carmilane, Rubilane, DM5, Ionène G, Incell
  • Volume: 50ml
  • Developer Ratio: 1:1.5 (50ml color to 75ml developer) 
  • Recommended Developers: 20 Vol (6%) or 30 Vol (9%) Cream Oxydant 
  • Processing Time: 35 minutes 
  • Grey Coverage: Up to 100% 
  • Maximum Lift: Up to 3 levels 
  • Best For: All-over reds, high-fashion partial techniques, balayage, ombré, color blocking 
  • Made in: France

2. TECHNICAL & FORMULATION PROPERTIES

  • Key Technology 1: Carmilane – offers superior fade resistance for long-lasting red tones 
  • Key Technology 2: Rubilane – provides pure and intense reflects within red shades 
  • Key Technology 3: DM5 – offers pure and intense reflects within selected copper and red shades 
  • Key Technology 4: Ionène G – strengthens and reinforces hair fibre from within 
  • Key Technology 5: Incell – reduces hair porosity and increases shine 
  • Key Active 1: 2-Methyl-5-Hydroxyethylaminophenol – oxidative dye for red color development 
  • Key Active 2: 4-Amino-2-Hydroxytoluene – oxidative dye for red tone development 
  • Key Active 3: p-Aminophenol – oxidative dye for tone development 
  • Key Active 4: 2,4-Diaminophenoxyethanol HCl – oxidative dye for tone development 
  • Key Active 5: 6-Hydroxyindole – oxidative dye component 
  • Full Ingredient List: Aqua/Water, Cetearyl Alcohol, Oleth-30, Hexadimethrine Chloride, Ammonium Hydroxide, Oleic Acid, Oleyl Alcohol, 2,4-Diaminophenoxyethanol Hcl, P-Aminophenol, M-Aminophenol, Sodium Metabisulfite, Ethanolamine, 6-Hydroxyindole, Thioglycerin, Toluene-2,5-Diamine, Ammonium Thiolactate, 2-Methyl-5-Hydroxyethylaminophenol, Pentasodium Pentetate, Benzyl Alcohol, 2-Oleamido-1,3-Octadecanediol, Resorcinol 
  • Primary Function: Provide permanent, long-lasting intense red color with up to 100% grey coverage and up to 3 levels lift
  • Application: Mix 1:1.5 with 20 or 30 volume oxidant, apply to dry, unwashed hair using sectioning techniques, process 35 minutes, emulsify, rinse

3. PHYSICAL ATTRIBUTES

  • Product Form: Cream hair color
  • Texture: Ultra-creamy, smooth, non-drip 
  • Color: Dark Extra Red Blonde / Deep Red
  • Consistency: Smooth, spreadable cream
  • Scent: Pleasant fragrance 
  • Finish: Intense red tones, high-shine, glossy, vibrant, multidimensional
  • Packaging: Tube (50ml) 

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 protective gloves
  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
12.5 Vol (3.75%)
1-1.5 levels
Refresh previously colored lengths and ends
20 Vol (6%)
Up to 2 levels
Grey coverage, same-level coloring, darkening natural hair 
30 Vol (9%)
Up to 3 levels
Lighter results, maximum lift 
Mixing:
  • Mix 1 tube (50ml) of Majirouge Carmilane 6.66 Dark Extra Red Blonde with 75ml of L'Oréal Professionnel Cream Oxydant 
  • Mixing ratio: 1:1.5 (50ml color to 75ml developer)
  • Mix thoroughly until a homogeneous, creamy consistency is achieved 
  • The oxidant/developer is not included and must be purchased separately
Grey Coverage Guidelines:
  • For white hair coverage, mix with Majirel golden base shades 
First Application on Virgin Hair:
  1. Apply the mixture to dry, unwashed hair 
  2. For lightening application, apply first to lengths and ends, then to roots
  3. Ensure even saturation from roots to ends
Root Touch-Up:
  • Apply the mixture only to regrowth area on dry, unwashed hair
  • Process for 35 minutes 
Development:
  • Processing time: 35 minutes 
  • For more intense grey coverage or deeper red results, processing time can be extended up to 45 minutes
  • During development, the color of the mixture will change. This is normal and has no effect on the final color result
Rinse and Finish:
  1. At the end of the processing time, gently emulsify by adding a small amount of lukewarm water 
  2. Rinse thoroughly until water runs clear
  3. Follow with a post-color shampoo 
Pro Tips:
  • For best results, use with L'Oréal Professionnel Cream Oxydant (20 or 30 volume)
  • 20 volume gives 2 levels of lift, ideal for grey coverage and darkening
  • 30 volume gives 3 levels of lift for lighter results
  • For white hair coverage, mix with Majirel golden base shades 
  • To maintain vibrant red color, use a color-protecting shampoo and a nourishing conditioner designed for red hair
  • Apply with a brush on regrowth, lengths, and ends for precise application
  • Always read the package insert before use
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 dyes can cause severe allergic reactions 
  • Patch Test: A patch test is obligatory 48 hours before each use. Apply a small amount of color on a sensitive area of skin, such as the inside of the elbow. If after 48 hours no reaction is observed, proceed with the full application 
  • Protection: Wear suitable protective gloves during the entire mixing and application process 
  • 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
  • If the product comes into contact with your eyes, wash immediately and thoroughly with water
  • Contains Ammonium Hydroxide and Resorcinol: This product contains substances that may cause an allergic reaction 
  • Storage: Keep out of reach of children. Store upright in a cool, dry place away from direct light and heat
  • Do Not Inhale or Swallow: Avoid inhalation and ingestion
  • Mixing: Do not use metal utensils during coloring (bowl, tweezers, combs, etc.)
  • Compatibility: Use exclusively with L'Oréal Professionnel Cream Oxydant
  • Henna Precaution: Not recommended for use on hair previously treated with henna or progressive color products

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 your 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.