L’ORÉAL MAJIREL 7.43 HAIR COLOR
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L’Oréal Majirel 7.43 Hair Color is a permanent hair color that delivers rich, warm, multidimensional blonde results with golden-copper reflections and up to 100% grey coverage. Combining golden (3) and copper (4) reflects, it creates a vibrant, sun-kissed finish with beautiful depth and radiance. Enriched with Ionène G to rebuild keratin bonds and smooth the hair surface, plus Incell technology to strengthen the hair fiber from within, it leaves hair 45% more conditioned, glossy, and soft. The creamy, non-drip formula mixes 1:1.5 (50–60ml color to 75–90ml developer) with 20 volume (6%) or 30 volume (9%) oxidant and processes for 35 minutes. For professional use only.
Description
Table of Contents
ToggleL’ORÉAL MAJIREL 7.43 HAIR COLOR
PRIMARY USES
1. Permanent Hair Color with Warm Golden-Copper Reflections
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What it does: Shade 7.43 is a Golden Copper Blonde permanent hair color from the iconic Majirel range, combining golden (3) and copper (4) reflects to create a rich, warm, multidimensional blonde result . The “.43” designation blends warm golden tones with vibrant copper accents, delivering a luminous, sun-kissed finish with beautiful depth and radiance.
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How it helps your hair: For the person who wants a warm, vibrant blonde with both golden and copper dimension, this provides a beautiful sunlit color effect that catches the light perfectly. For anyone who finds standard golden blondes too subtle or ash tones too cool, this means a multidimensional warm blonde that flatters a wide range of skin tones.
2. Provides Up to 100% Grey Coverage
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What it does: This permanent hair color delivers up to 100% coverage of white and grey hairs with even, rich color from root to tip . The formula ensures uniform, natural-looking results, making it a reliable choice for clients with grey coverage needs who also want vibrant, warm golden-copper tones. The high-resistance color provides superior resistance to fading, even in hot and sunny climates .
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How it helps your hair: For the person with grey or white hair who wants full, natural-looking warm golden-copper coverage, this provides a professional solution that covers resistant grey fibers completely while delivering radiant warm tones. For anyone who has struggled with patchy coverage or color that appears uneven, this means consistent, beautiful results.
3. Provides Up to 3 Levels of Lift
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What it does: This versatile permanent color can lift hair up to 3 levels depending on the developer used, allowing for both same-level coloring and significant lightening . When mixed with 20 volume (6%) oxidant, it provides up to 2 levels of lift ideal for grey coverage; when mixed with 30 volume (9%) oxidant, it provides up to 3 levels of lift for lighter results.
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How it helps your hair: For the person wanting to achieve a lighter golden copper blonde from a darker starting level, 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.
4. Enriched with Ionène G and Incell for Hair Protection
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What it does: The advanced formula is enriched with Ionène G, which works on the cortex and surface of the hair to make it smoother, and Incell technology, which reinforces the cuticle to improve hair porosity and shine . This dual-action care system restores hair from the inside out, leaving hair 45% more conditioned compared to uncolored hair, glossy and soft to touch .
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How it helps your hair: For the person who colors their hair regularly and worries about damage and dryness, this provides a formula that cares for the hair while it colors. For anyone who has experienced dry, brittle hair after permanent color, this means a formula that leaves hair feeling stronger, softer, and looking glossy.
5. Cream Formula with Easy 1:1.5 Mixing Ratio
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What it does: This permanent hair color features a rich, creamy texture that facilitates smooth dispensing, easy mixing, and precise application . Mixes easily with L’Oréal Professionnel Oxydant Cream at a 1:1.5 ratio (50-60ml color to 75-90ml developer). The formula also features a floral, fresh, light fragrance that provides a pleasant coloring experience .
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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.
SECONDARY USES
1. Root Touch-Up on Golden Copper Blonde 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 golden copper 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 copper blonde transformation, starting with lengths and ends for 10-15 minutes before applying to roots, then processing for an additional 20 minutes. For the person wanting to achieve a warm, radiant golden copper blonde from natural hair, this provides the ideal single-process solution.
3. Warmth Enhancement for Dull Blonde: Apply to blonde hair that has become dull or ashy to restore warm golden-copper reflects and add vibrancy and dimension. For the person whose warm blonde has lost its radiance, this provides a refresh that brings back vibrant golden-copper tones.
4. Lengths and Ends Refresh: For a quick refresh of mid-lengths and ends on previously colored hair, if only slightly faded, take through 5 minutes before end of development; if completely faded, add 10-15ml warm water to remaining mixture and take through immediately. For the person whose ends have faded faster than their roots, this provides a seamless refresh that extends the life of their color.
5. Partial Coloring Technique: Suitable for both complete full-head coloring and partial coloring services, allowing versatility in application based on the client’s specific needs. For the person needing targeted color application, this provides flexibility for custom color services.
KEY PRODUCT FEATURES
1. BASIC IDENTIFICATION ATTRIBUTES
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Brand: L'Oréal Professionnel Paris
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Product Name: Majirel 7.43 Golden Copper Blonde / Majirel 7.43 Blond Cuivré Doré
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Shade Components: Level 7 (Medium Blonde) with .43 reflect (Golden + Copper combination)
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Product Type: Permanent hair color / Cream hair dye
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Key Benefits: Up to 100% grey coverage, up to 3 levels lift, warm golden copper results, long-lasting color, hair protection and conditioning
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Key Technologies: Ionène G, Incell Complex
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Volume: 50ml - 60ml
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Developer Ratio: 1:1.5 (50-60ml color to 75-90ml developer)
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Recommended Developers: 20 Vol (6%) or 30 Vol (9%) Oxydant
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Processing Time: 35 minutes
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Grey Coverage: Up to 100%
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Maximum Lift: Up to 3 levels
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Formula Integrity: Ammonia-free
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Fragrance: Floral, fresh, light fragrance for a pleasant coloring experience
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Texture: Rich, creamy, easy to mix and apply
2. TECHNICAL & FORMULATION PROPERTIES
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Key Technology 1: Ionène G – works on the cortex and surface of the hair to make it smoother
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Key Technology 2: Incell Complex – reinforces the cuticle to improve hair porosity and shine, similar to natural protective ceramides
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Shade Components: Golden (3) + Copper (4) reflects for warm, multidimensional blonde results
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Key Active 1: 2,4-Diaminophenoxyethanol HCl – oxidative dye for tone development
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Key Active 2: p-Aminophenol – oxidative dye for color development
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Key Active 3: m-Aminophenol – coupling agent for color formation
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Key Active 4: Resorcinol – coupling agent for color formation
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Key Active 5: Toluene-2,5-Diamine – oxidative dye for color development
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Proven Results: 100% grey coverage; restores and protects hair, improving its overall condition and shine
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Primary Function: Provide permanent, long-lasting golden copper blonde color with up to 100% grey coverage and up to 3 levels lift
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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
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Product Form: Cream hair color
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Texture: Rich, creamy, silky, easy to mix and apply
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Color: Golden Copper Blonde / Medium Blonde Gold Copper
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Consistency: Smooth, spreadable cream
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Scent: Floral, fresh, light fragrance
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Finish: Warm golden copper tones, high-shine, glossy, luminous, rich
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Packaging: Tube (50-60ml)
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Product Dimensions: Approx. 8 x 3 x 3 cm
4. HOW TO USE
For Professional Use Only:
This product must be used by a qualified hair professional. Do not use at home .
Preparation:
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Wear suitable protective gloves
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Use a non-metallic bowl and brush for mixing
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Do not use on persons under 16 years of age
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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, higher lift, maximum lift |
Mixing:
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Mix 1 tube (50-60ml) of Majirel 7.43 Golden Copper Blonde with 75-90ml of L'Oréal Professionnel Oxydant Cream
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Mixing ratio: 1:1.5
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Mix thoroughly with a whisk or bottle until a homogeneous, creamy consistency is achieved
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The oxidant/developer is not included and must be purchased separately
Grey Coverage Guidelines:
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0-50% grey hair: Use target shade alone (1 tube) with 20 volume oxidant
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50-100% grey hair for warm golden copper reflects: Mix ½ target shade with ½ golden or natural base shade with 20 volume oxidant
First Application on Virgin Hair:
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Apply the mixture to dry, unwashed hair
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For lightening application, apply first to lengths and ends, then to roots
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Ensure even saturation from roots to ends
Root Touch-Up:
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Apply the mixture only to regrowth area on dry, unwashed hair
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Process for 35 minutes
Development:
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Processing time: 35 minutes
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For more intense grey coverage, processing time can be extended up to 45 minutes
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During development, the color of the mixture will change. This is normal and has no effect on the final color result
Rinse and Finish:
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At the end of the processing time, gently emulsify by adding a small amount of lukewarm water to remove color from the scalp
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Then add a few drops of warm water and continue to emulsify
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Rinse thoroughly until water runs clear
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Follow with a post-color shampoo (such as L'Oréal Professionnel Serie Expert Metal Detox shampoo)
Pro Tips:
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For best results, use with L'Oréal Professionnel Oxydant Cream (20 Vol or 30 Vol)
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The 20 volume will give 2 levels of lift and is used for grey hair coverage
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The 30 volume will give 3 levels of lift
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To maintain color vibrancy and warm golden copper tones, use a color-protecting shampoo and a nourishing conditioner
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Apply with a brush on regrowth, lengths, and ends for precise application
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Always read the package insert before use
SAFETY HANDLING PRECAUTIONS
1. SAFETY PRECAUTIONS
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For Professional Use Only: This product is a professional chemical color and must only be used by trained professionals
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Hair dyes can cause severe allergic reactions
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Patch Test: A patch test is obligatory 48 hours before each use
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Protection: Wear suitable protective gloves during the entire mixing and application process
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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
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Not for Use on: Eyelashes, eyebrows (may cause blindness), or persons under 16 years of age
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If the product comes into contact with your eyes, wash immediately and thoroughly with water
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Storage: Keep out of reach of children. Store upright in a cool, dry place away from direct light and heat
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Do Not Inhale or Swallow: Avoid inhalation and ingestion
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Mixing: Do not use metal utensils during coloring (bowl, tweezers, combs, etc.)
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Compatibility: Use exclusively with L'Oréal Professionnel oxidants
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Henna Precaution: Not recommended for use on hair previously treated with henna or progressive color products
2. FIRST AID MEASURES
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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 .
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Skin Contact: If product contacts skin, wash off immediately with soap and water. If irritation or redness develops, seek medical advice.
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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.
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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.
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