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professional molecular repair mask

Part of the K18 molecular repair service
Rated 4.9 out of 5
Based on 1197 reviews

El servicio de reparación molecular K18 incluye la bruma capilar reparadora molecular PRO + la mascarilla capilar reparadora molecular PRO. Cada uno está diseñado con K18PEPTIDE™ y con formatos y rangos de pH específicos para un uso optimizado en todos los servicios de salón. Use ambos para obtener los mejores resultados: se ha comprobado clínicamente que este servicio repara el daño causado por la lejía y el color, los servicios químicos y el calor*.

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 before and after color and chemical services - 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 on-going reparative benefits

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

Clinically proven to reverse hair damage – from: Bleach + Color, Chemical Services, and Heat*

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 bleach, 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*

*Disclaimers

how to use

The K18 molecular repair PRO mask is meant to be used as the second part of the K18 molecular repair service.

With a color or chemical service:

  1. Before the service, apply K18 PRO mist. Wait 4 minutes. Do not rinse out.
  2. Apply K18 PRO mask. Begin with 1 pump and add more as needed. Maximum recommended usage is 3 pumps.
  3. Let sit for 4 minutes. Do not rinse out.
  4. Style as usual.
  5. If cutting, you may start right away.
  6. If toning, use K18 PRO mask first, wait 4 minutes, then apply toner directly over mask. Process as usual. Rinse or shampoo toner + reapply K18 PRO mask per instructions above.

Without a chemical service:

  1. Shampoo, do not condition.
  2. Towel-dry thoroughly.
  3. Apply K18 PRO mist. Wait 4 minutes. Do not rinse out.
  4. Apply K18 PRO mask.
  5. Begin with 1 pump and add more as needed. Maximum recommended usage is 3 pumps.
  6. Apply all over, 1 pump at a time
  7. Let sit for 4 minutes. Do not rinse out.
  8. Comb, add product + style as usual.

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 (think about 65% wet)
  • 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.

pairs well with
Bruma Reparadora Molecular Profesional 300 mL (AL POR MAYOR)Bruma Reparadora Molecular Profesional 300 mL (AL POR MAYOR)

professional molecular repair mist 300mL

Rated 5.0 out of 5
Based on 151 reviews
Part of the K18 molecular repair service View Bruma Reparadora Molecular Profesional 300 mL (AL POR MAYOR) product Log In / Register
PEPTIDE PREP™ PRO complejo capilar quelantePEPTIDE PREP™ PRO complejo capilar quelante

PEPTIDE PREP™ PRO chelating hair complex

Rated 4.9 out of 5
Based on 13 reviews
No-mix, spray-on demineralizing treatment View PEPTIDE PREP™ PRO complejo capilar quelante product Log In / Register

Description

El servicio de reparación molecular K18 incluye la bruma capilar reparadora molecular PRO + la mascarilla capilar reparadora molecular PRO. Cada uno está diseñado con K18PEPTIDE™ y con formatos y rangos de pH específicos para un uso optimizado en todos los servicios de salón. Use ambos para obtener los mejores resultados: se ha comprobado clínicamente que este servicio repara el daño causado por la lejía y el color, los servicios químicos y el calor*.

Más de 11 mil millones de visitas en TikTok 🔥

* Descargos de responsabilidad
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

Who is it for?

K18 is engineered to work with every hair type, in every service, and with every routine.

Will using toner on top of K18 mask affect my client’s color?

K18 will not interfere with toner or final color. Colorists tell us K18 mask delivers a more uniform, and vibrant color application, as it evens out the hair’s porosity and damage.

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 do I use K18 mask on towel-dried hair?

Water in damp hair swells the cuticle (the outside layer of hair) to open the gates for our biomimetic peptide to enter and travel to the innermost layers of hair. If the gates aren’t open, the product will stay on the surface—giving you mostly superficial repair. By applying on damp hair, you can use less, waste less, and still get the best results.

Does K18 mask replace conditioner?

Think of the K18 mask as a highly concentrated treatment. It restores hair’s strength + elasticity in the innermost layers of hair, instead of traditional conditioners that coat the outside of hair. After the 4-minute wait time post-K18 mask, feel free to add a leave-in for a boost of conditioning if needed.

Is the K18 PRO mask and take-home mask the same?

Yes, both formulas are the same. The PRO mask is conveniently sized for PRO use.
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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