L’ORÉAL PROFESSIONNEL SERIE EXPERT METAL DETOX HAIR MASK

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L’Oréal Professionnel Serie Expert Metal Detox Hair Mask is a professional hydrating mask specifically formulated to lock out harmful metal particles found in water, protecting hair from metal-induced color fading and damage . Powered by patented Glicoamine technology—the only active agent small enough to trap and neutralize metals inside the hair fiber—this mask helps prevent breakage and ensures 100% true-to-tone color results .
When used as part of the complete Metal Detox system, clinical testing shows up to 87% less hair breakage . The formula intensely nourishes dry, bleached, and color-treated hair, leaving it soft, shiny, and easier to detangle with a smooth, healthy appearance . It is suitable for all hair types and textures, including dry, thick, or curly hair, and delivers intense care without weighing hair down .
The 500ml professional size is ideal for salon use and long-term home care, especially for those with bleached, highlighted, or color-treated hair who want to protect their investment and maintain vibrant, healthy hair between salon visits . For best results, apply evenly on clean, towel-dried hair after using Metal Detox Shampoo, leave on for 1 minute (or longer for deeper conditioning), rinse thoroughly, and follow with Metal Detox leave-in cream or oil .
Description

Table of Contents

L’ORÉAL PROFESSIONNEL SERIE EXPERT METAL DETOX HAIR MASK

PRIMARY USES

1. Protects Hair Fiber from New Metal Deposits After Chemical Services
  • What it does: This hydrating hair mask locks out harmful metal particles found in water to protect against metal-induced color fading and hair damage . Formulated with Glicoamine, the only active agent small enough to trap and neutralize metals inside the hair fiber, it helps prevent breakage and unreliable color results during and after color, balayage, or lightening services .
  • How it helps your hair: For the person who has just had a color, bleach, or highlight service, this provides essential protection that prevents new metal deposits from compromising your fresh look. For anyone with porous, bleached, or damaged hair that absorbs more metals from water, this means a mask that actively shields your hair from future damage.
2. Reduces Breakage by Up to 87%
  • What it does: Clinical instrumental testing shows that when used as part of the complete Metal Detox system (Pre-treatment + technical procedure + shampoo + mask), this formula helps achieve up to 87% less hair breakage . It helps limit breakage and split ends, making hair easier to detangle with a gliding effect from roots to ends .
  • How it helps your hair: For the person whose hair snaps, splits, or feels fragile after chemical services, this provides measurable protection that transforms the health and strength of your hair. For anyone who wants to maintain length and integrity despite regular coloring or lightening, this means a mask that dramatically reduces the risk of breakage.
3. Ensures 100% True-to-Tone Color Results
  • What it does: When metal particles mix with color and lightener oxidants during chemical services, a negative reaction occurs leading to breakage and unreliable color results . This mask, as part of the complete system, helps achieve 100% true-to-tone color results by neutralizing metals before they can interfere with the chemical reaction .
  • How it helps your hair: For the person who has experienced unexpected brassiness, muddy tones, or “hot roots” after salon visits, this provides a solution that eliminates the hidden cause. For anyone investing in professional color services, this means predictable, beautiful results every time.
4. Intensely Nourishes and Softens Dry, Bleached Hair
  • What it does: The mask intensely nourishes dry and bleached hair while helping protect it from metal particle deposits . It leaves hair feeling soft, clean, shiny, and nourished, with a smooth surface and less visible damage on lengths and ends . Users report that their hair feels softer, looks shinier, and has a healthier overall appearance .
  • How it helps your hair: For the person whose bleached or highlighted hair feels dry, brittle, or straw-like, this provides deep nourishment that restores softness and manageability. For anyone who struggles with rough texture and lackluster appearance, this means a mask that transforms the look and feel of damaged hair.
5. Lightweight Formula Suitable for All Hair Types
  • What it does: The formula is developed for all hair types, including dry, thick, or textured hair that often suffers from porosity and dryness . It delivers intense care without weighing the hair down, helping curls and waves look more defined and controlled . Users with fine hair report that it does not weigh their hair down while providing excellent moisture .
  • How it helps your hair: For the person with fine or thin hair who avoids masks for fear of flatness, this provides deep conditioning without sacrificing volume. For anyone with curly or textured hair, this means hydration that respects your natural texture and enhances definition.
6. Recommended for Bleached, Highlighted, and Color-Treated Hair
  • What it does: Bleached and highlighted hair is more porous and therefore absorbs more metal from water . Using this mask helps protect these fragile fibers from breakage and color instability while improving smoothness and shine . It is also effective for natural, non-colored hair that has become dry and damaged from repeated exposure to water, heat, and environmental stress .
  • How it helps your hair: For the person with highly processed or compromised hair, this provides targeted care that addresses the unique vulnerabilities of porous strands. For anyone who wants to maintain healthy hair despite chemical treatments, this means a mask formulated specifically for your hair’s needs.
7. Part of the Complete Metal Detox Professional System
  • What it does: This mask is the third step in the complete Metal Detox professional system, designed to be used after the Pre-treatment and Shampoo, and followed by a leave-in cream or oil . The full protocol works synergistically to cleanse metal particles, protect the fiber, and visibly reduce dryness, breakage, and split ends .
  • How it helps your hair: For the person who wants professional-quality, comprehensive metal detox care at home, this provides a complete system approach for maximum results. For best results, use consistently with the Metal Detox Shampoo as part of your weekly routine .
8. Formulated with Glicoamine and Nourishing Ingredients
  • What it does: The formula is powered by Glicoamine, the patented active agent that traps and neutralizes metals inside the hair fiber . It also contains Cetearyl Alcohol and Amodimethicone for conditioning benefits, plus Glycine (an amino acid) and Tocopherol (Vitamin E) for antioxidant protection and moisturizing benefits .
  • How it helps your hair: For the person who wants advanced, ingredient-driven hair care, this provides a formula with scientifically proven actives that deliver real results. For anyone whose hair has been compromised by environmental stressors, this means a mask that repairs, protects, and nourishes in one step.
9. Available in Professional 500ml Size
  • What it does: This 500ml size is designed for professional salon use and long-term home care, offering exceptional value for those committed to a metal-free hair care routine . The jumbo size ensures you always have this essential treatment on hand .
  • How it helps your hair: For the person who wants to maintain a consistent detox routine, this provides a cost-effective, long-lasting option. For anyone who uses this mask weekly, this means having professional-grade care available for months of treatments.

SECONDARY USES

1. Weekly Intensive Repair Treatment: Use once or twice a week as an intensive treatment in place of regular conditioner for metal-damaged hair. Apply to clean, towel-dried hair after using Metal Detox Shampoo, leave for 1-15 minutes (depending on desired intensity), then rinse thoroughly . For the person whose hair needs consistent detox and repair, this provides a weekly reset that keeps hair healthy and protected.
2. Pre-Color Service Preparation: Use in the 2-3 weeks leading up to a color, bleach, or lightening appointment to remove metal buildup and prepare hair for optimal results . For the person who wants their salon service to deliver perfect, true-to-tone color, this provides essential preparation that protects your investment and your hair.
3. Post-Swim and Hard Water Rescue: Apply after swimming in chlorinated pools or washing with hard well water to replenish lost moisture, remove mineral buildup, and detangle immediately . For the person with a pool or well water, this means a mask that reverses the “straw-like” texture caused by mineral and metal exposure.
4. Deep Conditioning for Bleached Hair: Use weekly on bleached or highlighted hair to maintain moisture, prevent breakage, and keep color looking vibrant . For the person with highly processed hair that requires extra care, this provides intensive conditioning that extends the life of your color and the health of your hair.
5. Detangling Aid for Porous Hair: Apply to wet hair after shampooing to help reduce tangles and make hair easier to comb through without causing breakage . For the person whose damaged hair tangles easily, this means a mask that makes post-wash detangling smooth and painless.
6. Travel Companion: The 500ml size is professional-grade and suitable for long-term home use; for travel, consider decanting into smaller containers . For anyone who travels frequently and wants to maintain their detox routine, this means you can take professional care wherever you go.
KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

  • Brand: L'Oréal Professionnel Paris
  • Product Name: Serie Expert Metal Detox Hair Mask / Metal Detox Protective Hair Mask
  • Product Code: LP SE Metal Msq
  • Product Type: Professional hydrating hair mask / Deep conditioning treatment
  • Key Benefits: Protects against harmful metals in water, prevents metal-induced color fading, reduces breakage by up to 87%, ensures 100% true-to-tone color, intensely nourishes dry and bleached hair
  • Key Ingredient: Glicoamine (patented metal-neutralizing technology) 
  • Formula Integrity: Lightweight, suitable for all hair types, does not weigh hair down
  • Hair Types: All hair types, especially color-treated, bleached, highlighted, dry, damaged, and textured hair 
  • Available Size: 500ml (16.9 fl oz)
  • Country of Origin: Spain
  • UPC: 30163478

2. TECHNICAL & FORMULATION PROPERTIES

  • Key Technology 1: Patented Glicoamine technology – the only active agent small enough to trap and neutralize metals inside the hair fiber 
  • Key Technology 2: Metal detoxification complex – protects against new metal deposits from water exposure
  • Key Active 1: Glicoamine – traps and neutralizes metal particles (copper, iron, nickel) inside the hair cortex 
  • Key Active 2: Cetearyl Alcohol – emollient that gives skin a soft feel and gives body to creams 
  • Key Active 3: Amodimethicone – silicone for long-lasting hair conditioning benefits 
  • Key Active 4: Glycine – amino acid that hydrates and may help improve wrinkles 
  • Key Active 5: Tocopherol (Vitamin E) – antioxidant that provides photoprotection 
  • Full Ingredient List: AQUA / WATER / EAU • CETEARYL ALCOHOL • AMODIMETHICONE • BEHENTRIMONIUM CHLORIDE • CETYL ESTERS • PARFUM / FRAGRANCE • ISOPROPYL ALCOHOL • TRIDECETH-6 • PHENOXYETHANOL • LIMONENE • CETRIMONIUM CHLORIDE • HEXYL CINNAMAL • LINALOOL • CHLORHEXIDINE DIHYDROCHLORIDE • CITRAL • GERANIOL • GLYCINE • TOCOPHEROL • POLYQUATERNIUM-7 • SODIUM BENZOATE 
  • Proven Results: 87% less hair breakage*; 100% true-to-tone color* (*instrumental test, after application of Pre-treatment + technical procedure + shampoo + mask) 
  • Primary Function: Protect hair fiber from new metal deposits after chemical services, neutralize existing metals, and provide intense nourishment
  • Application: Apply evenly on clean, wet, or towel-dried hair. Leave on for 1 minute. Rinse thoroughly. Use daily or weekly as needed with Metal Detox Shampoo 

3. PHYSICAL ATTRIBUTES

  • Product Form: Cream mask
  • Texture: Thick, creamy, rich 
  • Color: White to off-white
  • Consistency: Rich, dense cream that spreads easily
  • Scent: Fresh, clean, with notes of orange, sandalwood, or cedar 
  • Finish: Soft, smooth, shiny, healthy-looking, detangled
  • Packaging: Large jar with screw-top lid (500ml)

4. HOW TO USE

For First Time Use:
  1. Shampoo hair with Metal Detox Shampoo and rinse thoroughly .
  2. Towel-dry hair gently to remove excess water.
For Daily/Weekly Use:
  1. Apply: Apply the mask evenly on clean, wet, or towel-dried hair .
  2. Distribute: Distribute evenly from lengths to ends, focusing on mid-lengths and ends .
  3. Twist: Twist hair and leave on for 1 minute (or 3-15 minutes for more intensive treatment) .
  4. Rinse: Rinse thoroughly with lukewarm water .
  5. Follow Up: For optimal results, follow up with Metal Detox Leave-In Cream or Oil (sold separately) .
  6. Frequency: Use daily or weekly as needed with the Metal Detox Shampoo for optimal results .
Pro Tips:
  • For very dry or severely damaged hair, leave the mask on for 3-5 minutes or longer for deeper conditioning .
  • Use as part of the complete Metal Detox system: Pre-treatment → Shampoo → Mask → Leave-in Cream or Oil for maximum protection and breakage reduction .
  • A little goes a long way; a small amount provides excellent coverage .
  • Especially recommended for those with hard water, well water, or old pipes .
  • If contact with eyes occurs, rinse immediately and thoroughly with water.
SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

  • External use only. Avoid direct contact with eyes.
  • If the product enters eyes, rinse immediately and thoroughly with water.
  • Contains fragrance and potential allergens (Limonene, Linalool, Hexyl Cinnamal, Citral, Geraniol) – perform patch test before first use if you have sensitive skin or scalp allergies .
  • Contains Chlorhexidine Dihydrochloride – discontinue use if scalp irritation or redness develops.
  • For optimal detox results, use consistently as part of your hair care routine.
  • Store in a cool, dry place away from direct sunlight.
  • Keep out of reach of children.

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.
  • Scalp Reaction: If scalp irritation or rash occurs, discontinue use immediately. Rinse hair and scalp thoroughly with water. If the reaction is severe or persists, consult a dermatologist.
  • Ingestion: This product is not intended for ingestion. If accidentally swallowed, rinse your mouth with water and drink a glass of water. Seek medical attention if discomfort occurs.
  • Allergic Reaction: Signs may include rash, hives, itching, swelling of the face, lips, or tongue. If allergic reaction is suspected, discontinue use immediately and seek emergency medical attention.