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full-size leave-in molecular repair hair mask

Retail size of our 4-minute leave-in treatment to reverse hair damage
Rated 4.9 out of 5
Based on 1197 reviews

Una versión de tamaño minorista de la máscara K18 ayuda a mantener la fuerza y ​​la elasticidad del cabello de su cliente entre las citas en el salón. Esta mascarilla de tratamiento sin enjuague para todo tipo de cabello que revierte el daño en 4 minutos. La tecnología de péptidos patentada funciona para reparar los daños causados ​​por la decoloración y el color, los servicios químicos y el calor*, restaurando la fuerza, la suavidad, la tersura y el vigor del cabello.

Más de 11 mil millones de visitas en TikTok 🔥

* Descargos de responsabilidad

Repairs Damage Caused By

  • Bleach + Color Bleach + Color
  • Heat Heat
  • Chemical Services Chemical Services

Professional Only

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Cada compra apoya los esfuerzos de K18 x Plastic Bank para simplificar radicalmente los desechos.
En 2022 paramos
147 toneladas métricas de plástico
=
Más de 7,3 millones de botellas de plástico de un solo uso evitan que lleguen al océano

more to know

Takes damage repair further – biomimetic peptide seamlessly fits in and reconnects broken polypeptide chains at the molecular level. As a result, disulfide bonds are also reconnected for reinforced strength along the length + width of hair—offering comprehensive, lasting repair

Restores hair from even extreme damage - by working at the innermost layer of the hair, core strength and elasticity are renewed for strong, smooth, bouncy hair

Delivers immediate and lasting results – hair is repaired from the first use and lasts past your next wash, for ongoing reparative benefits

Simplified repair - convenient, leave-in formula works in just 4 minutes, with no extra rinse required

Works on all hair types – because K18PEPTIDE™ works on a molecular level (where all hair is the same), this product is effective on all hair types and with every service

key benefits

  • K18PEPTIDE™ is a biotech-developed peptide that mimics hair's structure to reverse damage by reconnecting polypeptide chains and disulfide bonds broken during bleaching, color and chemical services, and heat*.

  • pH-optimized (5.0-6.0) to help minimize cuticle swelling + put hair proteins in their most resilient state after salon service or shampoo

  • Cream format enables easy, lightweight application across all hair types, with detangling and softening benefits.

  • Vegan, color-safe, cruelty-free

Just one application of the K18 molecular repair service (PRO mist + PRO mask) with a salon treatment brings your client’s hair back up to:

  • 91% original strength*

  • 94% original elasticity*

*k18hairpro.com/disclaimers

how to use

  1. Shampoo, do not condition
  2. Towel-dry thoroughly
  3. Begin with 1 pump and add more as needed. Maximum recommended usage is 3 pumps.
  4. Apply all over, 1 pump at a time
  5. Let sit for 4 minutes. Do not rinse out
  6. Comb, add product + style as usual
  7. Use for 4-6 washes, then as needed

how to optimize K18

  • DO clarify before K18 if your client is a heavy product user (demineralize for mineral + metal buildup)
  • DO apply on clean, damp hair
  • DO wait the full 4 minutes before combing or styling
  • DO add whatever styling products you love after the 4 minutes
  • DON'T use conditioner before applying K18 mask (you can apply after the 4 min but most find they don’t need it)
  • DON'T overdo it—less is more
  • DON'T rinse it out

ingredients

Water (Aqua) (Eau), Alcohol Denat., Propylene Glycol, Cetearyl Alcohol, Dicaprylyl Ether, Cetyl Esters, Behentrimonium Chloride, Polysorbate 20,sh-Oligopeptide-78 (K18PEPTIDE™), Hydrolyzed Wheat Protein, Hydrolyzed Wheat Starch, Isopropyl Alcohol, Tocopherol, Phenoxyethanol, Potassium Sorbate, Citric Acid, Fragrance (Parfum), Geraniol, Linalool, Hexyl Cinnamal, Benzyl Alcohol.

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Champú desintoxicante PEPTIDE PREP™ 8.5oz (AL POR MAYOR)Champú desintoxicante PEPTIDE PREP™ 8.5oz (AL POR MAYOR)

PEPTIDE PREP™ detox shampoo

Rated 4.7 out of 5
Based on 129 reviews
Retail size of our color-safe, non-stripping clarifying shampoo formulated with the K18PEPTIDE™ View Champú desintoxicante PEPTIDE PREP™ 8.5oz (AL POR MAYOR) product Log In / Register

Description

Una versión de tamaño minorista de la máscara K18 ayuda a mantener la fuerza y ​​la elasticidad del cabello de su cliente entre las citas en el salón. Esta mascarilla de tratamiento sin enjuague para todo tipo de cabello que revierte el daño en 4 minutos. La tecnología de péptidos patentada funciona para reparar los daños causados ​​por la decoloración y el color, los servicios químicos y el calor*, restaurando la fuerza, la suavidad, la tersura y el vigor del cabello.

Más de 11 mil millones de visitas en TikTok 🔥

* Descargos de responsabilidad

backed by science,
loved by stylists

Our community of stylists and colorists believe K18 is liberating hair—no matter the hair type or generation.

“K18 allows me to go everywhere I want to go with my color work and the end result is my guests get to be bright and shiny and healthy.”

– Christine Thompson, Director of Color at Spoke & Weal
profesionales que usan K18

cómo funciona K18

Viajando a las capas más internas del cabello, nuestro K18PEPTIDE™ renueva la fuerza a lo ancho Y largo del cabello para una fuerza duradera donde más importa.

got questions?

Get started here

What is the K18 mask?

Peptide-powered treatment to repair damage from bleach, color, and chemical services. pH level of 5.0–6.0 helps close down the cuticle to seal in the K18PEPTIDE™ for renewed strength + elasticity.

what is the K18PEPTIDE™?

Our biomimetic peptide mimics hair’s natural structure to seamlessly fit in and reconnect broken keratin chains responsible for hair’s core strength and elasticity. As a result of this reconnection it also addresses cleaved disulfide bonds for connection along the Y-axis of hair AND the x-axis or width of hair.

Why skip conditioner?

Conditioner leaves a film that blocks our peptide from penetrating effectively. Once the 4-minute wait time is up, feel free to use a conditioner, a leave-in, or any type of product.

Why is there alcohol in the formula?

We like to keep our formulas minimal, only using the exact amount of ingredients needed to get the peptide where it needs to go. Here the alcohol serves as an agent to optimize the hair environment for the K18 mask to work on a deeper level. Our unique blend of 3 alcohols function to open the hair cuticle so the K18PEPTIDE™ can penetrate the innermost layer of hair, reaching the broken polypeptide chains (keratin chains).

How often do my clients use the K18 mask at home?

Clients can use the K18 mask for the next 4-6 washes at home, then as needed for a boost of strength, softness, smoothness, and bounce.
reviews
average rating 4.9 out of 5
Based on 1197 reviews
  • 5 Stars
    1095 Reviews
  • 4 Stars
    58 Reviews
  • 3 Stars
    25 Reviews
  • 2 Stars
    8 Reviews
  • 1 Star
    11 Reviews
97% of reviewers would recommend this product to a friend
Customer photos and videos
1197 Reviews
Reviewed by Brenda R.
Verified Buyer
I recommend this product
Age
55 - 64
Hair Concern
  • Frizz
  • Color-care
  • Dryness
  • Heat damage
Hair Type
  • Thick/Coarse
  • Grey Hair
  • Straight/Wavy
My Results
  • Less Frizz
  • Visible Difference
  • Smoother Hair
  • Soft Touchable Hair
  • Shinier Hair
Rated 5 out of 5
Review posted

Definite Difference

Worked really well. I could tell a difference with the texture of my hair after the first use. I’ve done three treatments in a row and my hair has definitely become softer to the touch. No more “crunchy” hair.

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Reviewed by Danielle M.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Obsessed!

K18 Mask has worked wonders on my guests. Paired with the k18 Mist has changed my clients life with their hair! I truly believe in k18 and will forever use their products!

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Reviewed by Lynn W.
Verified Reviewer
I recommend this product
Age
45 - 54
Hair Concern
  • Chemical damage
  • Heat damage
  • Fragile/brittle hair
  • Dryness
  • Split-Ends
Hair Type
  • Medium Density
My Results
  • Bouncy Hair
  • Visible Difference
  • Stronger Hair
  • Less Breakage
  • Soft Touchable Hair
Rated 5 out of 5
Review posted

Approve!

I’ve been using this for about two months, I am now on my second bottle. It definitely works, my hair is not exactly where I would like it to be. I am over 50 with many years of highlighting and coloring, but I definitely see my hair is stronger, more resilient, less brittle, less dry, More manageable all over better. Will definitely continue using.

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K18Hair PRO

Thank you Lynn for your review!

Reviewed by Janellis C.
Verified Buyer
I recommend this product
Age
18 - 24
Hair Concern
  • Chemical damage
  • Heat damage
  • Dryness
Hair Type
  • Medium Density
  • Curly/Coily
My Results
  • Visible Difference
  • Less Frizz
  • Smoother Hair
  • Shinier Hair
  • Defined Curl/Wave Pattern
Rated 5 out of 5
Review posted

Love it

I just recently bleached my hairs and my curls were dead after using these products for a week it has already revised my hair.

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K18Hair PRO

Thank you Janellis for your review!

Reviewed by Sara W.
Verified Buyer
I recommend this product
Age
35 - 44
Hair Concern
  • Chemical damage
  • Fragile/brittle hair
  • Dryness
Hair Type
  • Medium Density
  • Straight/Wavy
My Results
  • Visible Difference
  • Smoother Hair
  • Less Breakage
  • Soft Touchable Hair
  • Stronger Hair
Rated 5 out of 5
Review posted

Amazing!!!

I damaged my hair bleaching it not once but twice. Needless to say my hair was very damaged and straw like. I have used the leave in mask 4 times now and my hair is much happier and healthier looking. I still have a way to go to get it back to “normal” but this product has saved my hair.

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K18Hair PRO

Thank you Sara for your review!

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