Training Example: L’Oréal Professionnel Paris – Review the Data, Give Your Score & Compare to the Real AI Evaluation

Professional patented technology.​

Metal Detox Professional mask.

[H2] The pro choice for extreme hair rescue.

97% less breakage.1​100 hours of deep hydration.1

Discover

1 Instrumental test with Metal Detox mask​

NEW

Absolut Repair Molecular Bi-Phase oil.

[H2] Shake to shine.

2 years of damage repair.1100 hours of shine.2

Discover

1 Instrumental test at the cuticle level. 2 Instrumental tests.

New

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[H2]

The future of acidicgloss color is hyaluronic.

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New

[H2] Serie Expert Refills.

High pro performance.

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Innovation

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[H2]

Dry with the speed of light. Without damage.1#AirLightPro

Discover

How to start

1 Instrumental test, AirLight Pro vs. naturally dried hair.

Mental health matters

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[H2]

Our free mental health training program by hair pros for hair pros.#HeadUp

Get your free mental health training

The pro choice for extreme hair rescue.

Shake to shine.

Serie Expert Refills.

[H2] Keep your hair salon-perfect at home with our pro routines.

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[H3]
Damaged hair & split ends

Absolut Repair Molecular restores your hair's strength, elasticity and movement.

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[H3]
Anti-breakage & strength

Metal Detox protects from hair breakage & colour shift.

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[H3]
Frizz control & smoothing

Transforms hair for long-lasting smoothness.

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[H3]
Color radiance & maintenance

Lock in your day 1 color vibrancy with Vitamino Color Spectrum.

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[H3]
Deregulated scalps & hair loss

Start your scalp reset with Scalp Advanced.

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[H3]
Curly hair for each type of curls & coils

Express your curls, the pro way with Curl Expression.

[H2] Trending now.

Discover your new favorite hair products.

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[H3]
Metal Detox Mask​

The pro choice for extreme hair rescue.

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[H3]
Absolut Repair Molecular Bi-phase Oil

Shake to shine.

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[H3]
Keratin Alpha Sleek Smooth Transformer

Transform hair for 2 weeks of smooth and frizz control.

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[H3]
Absolut Repair Molecular Mask

Repair 2 years of damage.

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[H3]
AirLight Pro

Dry with the speed of light. Without damage.

My Hair [diagnosis]

[H2] Unlock your customized hair routine.

Tell us your hair concerns and we’ll help you build a stylist-approved at-home protocol for next-level hair results.

Start my diagnosis now

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[H2] Ready for a hair transformation?

Your perfect hair journey starts here. Find your closest salon and take a rendez-vous.

Book now!

Ready for a hair transformation?

[H2] Welcome to our world.

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[H3]
From rue d’Alger Paris, to conquering Europe.

L’Oréal Professionnel Paris, at the origins of L'Oréal Group.

Deep dive in our history

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Play the video Head Up

[H3]

Head Up

Our free mental health training program by hair pros for hair pros.

Discover more

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Play the video Water Saver

[H3]

Water Saver

The first handshower leveraging patented water fragmentation technology.

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Play the video We ACT on transparency

[H3]

We ACT on transparency

We are committed to not only improving the environmental and social footprint of our products but to also sharing this information with our community so they can make informed choices.

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[H3]
Serie Expert shampoo refills.

Reengineered to be more professional, more performant & more sustainable.

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[H1] Welcome to our world.

Pushing the boundaries of science and technology.

Since our invention of hair color more than 110 years ago, L’Oréal Professionnel has supported professional talent through our obsession with innovation, tech and safety for stylists and women.

Discover our history

Welcome to our world.

[H2] L’Oréal Professionnel Paris, at the origins of L'Oréal Group.

L'Oréal's story finds its roots in a modest Paris apartment, at the turn of the 20th century, with a disruptive innovation that changed the rules of hair color.
It all started when Eugène Schueller, invented the world's first harmless hair dye, which fast became a hit with hairstylists across Europe.
It was also the first innovations of many that would later become the core of the L'Oréal Professionnel's pioneer spirit.

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L’Oréal Professionnel Paris, at the origins of L'Oréal Group.

[H2] Born in tech and science.

By always seeking to improve what is offered to hairstylists and consumers, L'Oréal Professionnel has created a host of innovations that have forged the history of the hairdressing world.
The first harmless hair dye, the first cold perm, the first skin allergy tests, the level of depth scale, tone-on-tone color... are a few examples of the brand's pioneer spirit.
Our brand’s story is constantly fueled by in-depth and disruptive innovations, developed out of our passion for science and our technical, technological and tech-augmented expertise.
Today, we push the boundaries with patented molecules, advanced research, elevated tools and new-to-the-world solutions at the disposal of hair stylists.

Explore more innovations

Born in tech and science.

[H2] Year by year, forever passionate.

L'Oréal Professionnel, founded in 1909 by Eugène Schueller, has revolutionized haircare with key innovations.
Thirty years later, in 1938, the first hairdressing school was established. In 1945, the first cold perm was introduced, followed in 1952 by Régé Color, a hair dye applied like shampoo.
By 1965, L'Oréal Coiffure became a dedicated professional division, and in 1987, it emerged as the world leader in haircare. Twenty years later, in 2009, iNOA, the first ammonia-free permanent hair color, marked a new breakthrough.

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Year by year, forever passionate.

[H2] The birth of an innovative leader.

As a pioneer brand, L'Oréal Professionnel has stayed true to its founding mission: develop the professional hair industry.
Through its trailblazing spirit, passion for science and the development of new innovations, L'Oréal Professionnel continues to lead professional hair beauty and take it to future, that is sustainable and tech.
The brand is proud to partner with independent and in salon hairstylists in 66 different countries all over the world.

Elevating hairstylists

The birth of an innovative leader.

[H2] Elevating the hairstylist community.

Celebrating the human skill of hairstyling from the beginning, L’Oréal Professionnel Paris pioneers initiatives to both inspire stylists and raise the profile of the global hair lovers' community.
The world-renowned L’Oréal Professionnel Paris Style & Colour Trophy is today the longest-running hair competition in the world, turning the best stylists into international stars since 1954.

Supporting hair professionals

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[H2] Always supporting hair professionals.

By always seeking to improve what we offer to hair professionals, L'Oréal Professionnel Paris has created a host of innovations and initiatives that have forged the history of the hairdressing world.

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Play the video Head Up

[H3]

Head Up

Our free mental health training program by hair pros for hair pros.

Discover more

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[H3]
My Hair [iD]

L'Oréal Professionnel reinvents the color diagnosis with My Hair [iD].

Discover more

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[H3]
Access

The 1st worldwide certifying education program for hair pros.

Discover more

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[H3]
We ACT

We are on a journey to sustainably change the way we operate.

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NEW

Absolut Repair Molecular Bi-Phase oil.

[H1] Shake to shine.

Find your personalized routine

INNOVATION

Absolut Repair Molecular.

[H2] Repair 2 years of damage with visible molecular repair.1

Find your personalized routine

1 Instrumental test at the cuticle level.

Shake to shine.

Repair 2 years of damage with visible molecular repair.**1**

PERFORMANCE

[H2] Rebuilds hair molecular structure.1

Restores hair's strength elasticity and movement.2
Deep penetration, instant transformation.

BUY NOW

FIND A SALON

1 Instrumental test at the cuticle level.

[H2] What happens to your hair when damaged?

When hair is damaged, its molecular structure composed of peptides is compromised.
Hair becomes weak, too elastic, with a lack of movement.

Discover the collection

[H2] Why can this damage become irreversible ?

Most peptides are too big to be reinjected into the fiber, making damage almost irreversible.

Find your routine

[H2] Why is Absolut Repair Molecular the best solution ?

For the first time, L’Oréal Advanced Research achieved to decompose peptides, to inject their components, amino acids & peptides bonder, separately into the fiber.
Once inside, they reform and rebuild the molecular structure of the hair.*
With this patented tech, hair is reborn stronger, with its elasticity and movement restored.**

DISCOVER MORE

*Instrumental test after 15 application of shampoo + rinse-off serum + leave-in mask.**Consumer test after 2 weeks use of shampoo + rinse-off serum + leave-in mask

[H2] Try the long-lasting molecular repair protocol.

Find the salon closest to you & try your long-lasting molecular repair* protocol with your hairdresser.

Find a salon

*Instrumental test on the fiber macromolecular structure after application of Absolut Repair Molecular pre-treatment + shampoo + rinse off-serum + leave-in mask.

What happens to your hair when damaged?

Why can this damage become irreversible ?

Why is Absolut Repair Molecular the best solution ?

Try the long-lasting molecular repair protocol.

NEW

Absolut Repair Molecular Bi-Phase oil.

[H2] Shake to shine.

Repairs 2 years of damage1 for 100 hours of shine2
3-day frizz-control and 3X more nutrition2 with no weigh down
Hair is stronger (+97% strength2) with improved elasticity and movement3
+83% smoothness.2

BUY NOW

FIND A SALON

1 instrumental test at the cuticle level 2 instrumental tests 3 Consumer test after 2 weeks of use of the Absolut Repair Molecular Shampoo + Rinse-off serum + Mask + Oil

Shake to shine.

My Hair [diagnosis]

[H2] Unlock your customized hair routine.

Tell us your hair concerns and we’ll help you build a stylist-approved at-home protocol for next-level hair results.

Start my diagnosis now

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[H2] How to use Absolut Repair Molecular Bi-Phase oil?

Play the video Youtube video player - How to use Absolut Repair Molecular Bi-Phase oil?

Co-developed with pros, its formula blends 1% peptide bonders, 5 amino acids, and nourishing oils. Suitable for all damaged hair types.Shake well, apply 1–2 pumps on wet or dry hair (avoid roots), no rinse.Finished with a signature scent of vanilla, bergamot & salty flower.

[H2] How do you #ShakeToShine?

Share your hair transformation with Absolut Repair Molecular with the #ShakeToShine challenge on social media.

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[H2] All you need to know about Absolut Repair Molecular.

[H3] 1. What is the Absolut Repair Molecular range by L’Oréal Professionnel?

Absolut Repair Molecular is a professional haircare protocol designed to repair damaged hair at the molecular level by rebuilding broken peptide bonds with peptides and amino acids. It is ideal for damaged, dry, thinning, heat-exposed or weakened hair needing strength, shine and protein reinforcement.

[H3] 2. How does Absolut Repair Molecular repair hair’s broken peptide bonds?

The patented technology decomposes peptides into amino acids and peptide bonders that penetrate deep inside the fiber to reform and rebuild its molecular structure, visibly repairing up to 2 years of damage from heat, color or environmental stress.

[H3] 3. Which products are included in the Absolut Repair Molecular range?

The range features a sulfate-free shampoo, rinse-off serum, hair mask, leave-in mask and bi-phase hair oil, working together to cleanse, repair broken peptide bonds, nourish dry hair and protect against heat while delivering protein-based strength.

[H3] 4. How does the Absolut Repair Molecular hair oil help dry and thinning hair?

The bi-phase hair oil intensely nourishes dry, thinning hair with 5 amino acids and peptides, restoring smoothness (+83%) and elasticity while providing 100 hours of shine and 3-day frizz control without weighing hair down.

[H3] 5. Why is Absolut Repair Molecular recommended for heat-damaged hair?

Heat from styling tools breaks protein bonds and increases dryness; the range’s shampoo, serum, mask and hair oil repair these bonds (+97% strength) and protect up to 230°C/450°F, leaving hair more resilient and less prone to thinning.

[H3] 6. Can Absolut Repair Molecular help with thinning hair?

Yes, by refilling peptide bonds and protein components, the full routine strengthens fragile, thinning hair and improves body and movement for a fuller, healthier look over time.

[H3] 7. How does the range address dry hair with broken peptide bonds?

Formulas enriched in peptides and amino acids target broken peptide bonds inside the fiber while the hair oil and mask deliver 3 times more nutrition to dry hair, restoring hydration, smoothness and a lightweight feel.

[H3] 8. Is Absolut Repair Molecular suitable for all levels of hair damage?

From mildly dry to severely heat- or chemically-damaged hair, the progressive protocol composed of the shampoo, serum, mask, leave-in mask and hair oil, rebuilds protein structure at every stage, making it ideal for ongoing care on thinning or weakened hair.

[H3] 9. How should I use the Absolut Repair Molecular range in my routine?

Start with the shampoo and rinse-off serum, then apply the hair mask 1-2 times weekly, follow with the leave-in mask and finish with the bi-phase hair oil on lengths daily for heat protection and shine on dry, damaged hair.

[H3] 10. What results can I expect from consistent use on thinning, dry hair?

With regular use, hair regains +97% strength, improved elasticity and movement as broken peptide bonds reform; dry, thinning hair feels nourished, shinier for 100 hours and more resistant to heat.

Professional patented technology.​

Metal Detox Professional mask.

[H1] The pro choice for extreme hair rescue.

Discover

Find your personalized routine​

INNOVATION​

Metal Detox​

[H2] For 99% less breakage in one use.1

Discover

Find your personalized routine​

1 Instrumental test after Metal Detox pre-shampoo treatment + shampoo + mask.

The pro choice for extreme hair rescue.

For 99% less breakage in one use.**1**

PERFORMANCE​

[H2] 99% less breakage in one use1.

Start your Metal Detox protocol now:

Buy now

Find a salon

1 Instrumental test after Metal Detox pre-shampoo treatment + shampoo + mask.

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[H2] Why is metal dangerous for your hair?

Metal in water, penetrating inside your hair wash after wash, is one of the major causes of hair breakage. Porous hair has even higher risk of breaking as it absorbs 2x more water filled with metal¹.

[H2] Porous hair absorbs 2x more water with metal¹.

Through daily aggressions like chemical processing, heat styling or UV, micro-breaks multiply on the hair surface & cavities occur in the cortex, causing hair to get porous & absorb excess water with metal.This leads to higher risks of breakage.

[H2] Glicoamine.

Metal Detox protocol is concentrated with Glicoamine, a chelating agent small enough to penetrate the fiber, trap metal & neutralize its effect.For 99% less hair breakage in one use¹.

Why is metal dangerous for your hair?

Porous hair absorbs 2x more water with metal¹.

Glicoamine.

Professional patented technology.​

Metal Detox professional mask.

[H2] The pro choice for extreme hair rescue.

97% less breakage.1100 hours of deep hydration.1

Proven efficacy even on extreme conditions:​
Even after repetitive bleaching.​​
Even after 1 year of 230C styling.​
Even after multiple coloration.​
Even after multiple perming.​
Even after 8000 strokes.

Discover

Find a salon

1 Instrumental test with Metal Detox mask​

The pro choice for extreme hair rescue.

[H2] How to use Metal Detox?

Play the video Youtube video player - How to use Metal Detox?

To start, wet your hair. Section hair down the middle. ​Step 1: Pre-treatment. Press 2 to 4 pumps per section. Distribute evenly from lengths to ends. Run fingers through your hair for 1 to 2 min. Do not rinse.​Step 2: Shampoo. Apply shampoo. Lather until a rich foam is obtained. Rinse thoroughly.​Step 3: Mask. Apply mask. Distribute evenly from lengths to ends. Twist hair and leave on for 1 min. Rinse thoroughly.​Step 4: choose your leave-in. Concentrated oil for high shine, nutrition & heat protection. High protection cream for definition, moisture, heat & UV protection. Warm 1 or 2 pumps for the oil. Press 1 to 4 pumps for the cream. Distribute evenly from lengths to ends. Blow-dry or air-dry.​Pro tip: for touch-ups, apply oil to ends.

My Hair [diagnosis]

[H2] Unlock your customized hair routine.

Tell us your hair concerns and we’ll help you build a stylist-approved at-home protocol for next-level hair results.

Start my diagnosis now

[IMG: Woman using her phone to access an app for hair diagnosis, helping personalize the ideal hair care routine]

[H2] Join the #SOSMetalDetox movement.​

Share your hair transformation with Metal Detox with
#SOSMetalDetox on social media.

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[H2] All you need to know about Metal Detox.

[H3] 1. What is the Metal Detox range by L’Oréal Professionnel?

Metal Detox is a professional haircare protocol designed to protect hair from metal particles found in water, which can increase porosity, breakage and color shift. It is the pro choice for colored, bleached, highlighted and dry, sensitized hair that needs reinforced protection and shine.

[H3] 2. How does metal in water affect hair porosity and breakage?

Day after day, metals like copper accumulate inside the hair fiber, especially on porous, bleached or damaged hair. This can make hair more fragile, increase porosity, and lead to breakage and split ends, particularly after color or lightening services.

[H3] 3. Which products are included in the Metal Detox range?

The Metal Detox range includes an anti-porosity filler pre-shampoo treatment, an anti-metal shampoo, a professional hair mask, a high-protection leave-in cream, and a concentrated oil. Together, they help cleanse metal particles, protect the fiber, and visibly reduce dryness, breakage and split ends.

[H3] 4. How does the Metal Detox hair mask help dry and bleached hair?

The Metal Detox hair mask intensely nourishes dry and bleached hair while helping protect it from metal particle deposits. It helps limit breakage and split ends and makes hair easier to detangle with a gliding effect from roots to ends.

[H3] 5. Why is Metal Detox especially recommended for bleached and highlighted hair?

Bleached and highlighted hair is more porous and therefore absorbs more metal from water. Using the Metal Detox shampoo, hair mask and leave-in care helps protect these fragile fibers from breakage and color instability, while improving smoothness and shine.

[H3] 6. Can Metal Detox help with split ends and visible surface damage?

Metal Detox does not replace a haircut, but by reinforcing the fiber and reducing metal-related stress, it helps limit future breakage and split ends. Hair looks smoother on the surface, with less visible damage on lengths and ends and an overall healthier appearance.

[H3] 7. Is Metal Detox suitable for dry, thick or textured hair?

Yes, the formulas are developed for all hair types, including dry, thick or textured hair that often suffers from porosity and dryness. The hair mask, cream and oil deliver intense care without weighing the hair down, helping curls and waves look more defined and controlled.

[H3] 8. How should I use Metal Detox in my routine after a bleach service?

After a bleach or highlight service, cleanse with Metal Detox shampoo, then apply the hair mask on towel-dried hair and leave for a few minutes before rinsing. Follow with the leave-in cream and/or oil to protect bleached lengths from breakage, dryness and everyday aggressions.

[H3] 9. Can I use Metal Detox on natural, non-colored hair that is dry or damaged?

Absolutely; even natural hair can become dry, porous and damaged from repeated exposure to water, heat and environmental stress. Metal Detox helps protect the fiber from metal particles, leaving dry and damaged hair feeling smoother, stronger and easier to style.

[H3] 10. How often should I use the Metal Detox range to see results on hair breakage and porosity?

For best results on hair breakage, porosity and split ends, use the Metal Detox shampoo every wash, apply the Metal Detox hair mask once or twice a week, then follow with the leave-in cream and/or oil on lengths and ends. With a consistent routine, hair feels progressively stronger, smoother and more resistant, especially on bleached and sensitized hair.

[H2] All you need to know about hair.

[IMG: Demonstration of how to apply a hair mask efficiently, ensuring even coverage and optimal nourishment for healthy, shiny hair.]

[H3]
What is a hair mask? Benefits, tips and more.

Go deep into the world of deep conditioning hair masks. These thickly-textured treatments can really nourish the hair, repairing and protecting your locks. Distinct from conditioners, hair masks are a special type of treatment with a range of benefits and we’ve rounded up everything you need to know right here.
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4 min read

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[IMG: Woman posing and showing off her healthy, radiant, and well-defined curly hair with bounce, definition, and natural shine]

[H3]
Repair damaged hair now.

What’s your damage? It’s time to give your hair some TLC. Explore the causes of damaged hair and learn everything you need to know about repair and damaged hair treatments. If you’re asking yourself, how do I repair damaged hair, don’t give up. Frizzy, dry, dull hair? It’s time to restore and repair.
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6 min read

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[IMG: Focus on three different woman hair types, illustrating tips and techniques to achieve healthy and shiny hair.]

[H3]
How to get shiny hair.

We all want soft, shiny hair, right? In this guide, we’ll help you get started on the journey to understanding how to get and maintain glossy, healthy hair. It’s all about curating the right haircare routine and using the best hair shine products. All the top tips for shine, right here.
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3 min read

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[IMG: Image of vibrant pink-dyed long hair, illustrating expert tips on how to care for colored hair and maintain its health and vibrancy]

[H3]
An expert guide to caring for your color-treated hair.

Exploring a new shade for your locks? Or just back from a new color treatment at the salon? Whatever color treatment you use, there’s a way to make it last longer. Without proper maintenance, colored hair can fade. Learn how to take care of dyed hair and make your color last. Keep reading for expert colored hair tips that support hair health and keep hair color vibrant.
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6 min read

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[H3]
How to get rid of dandruff: tips for a healthy scalp.

In this article, we’ll talk about the dry, itchy scalp condition commonly known as dandruff. We’ll compare it to other similar scalp conditions so you can learn to identify it, and of course, we’ll get into the best hair and scalp care practices to help you manage or learn how to get rid of dandruff. The goal? To keep your hair and scalp healthy.
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8 min read

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