K18 - Leave-In Molecular Repair Hair Mask

from $29.00

4-minute leave-in treatment to reverse hair damage.

Description:

A leave-in treatment mask that works on the molecular level to reverse hair damage in just 4 minutes. The K18PEPTIDE™ is clinically proven to repair damage from bleach + color, chemical services and heat* – with immediate and lasting results to restore strength, softness, smoothness and bounce to hair.

repairs damage caused by

  • Bleach + Color

  • Heat

  • Chemical Services

How to Use

  1. Shampoo, do not condition. Towel-dry thoroughly.

  2. Apply 3-9 pumps of K18 leave-in molecular repair hair mask based on your length and density, starting at the ends and working up towards the roots.

  3. Let sit for 4 minutes. Do not rinse out.

  4. Comb, add product + style as usual. Use for 4-6 washes post-salon service, then as needed.

More to Know

  • 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 + heat*.

  • pH-optimized (5.0-6.0)to help minimize cuticle swelling + put hair proteins in their most resilient state.

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

  • Vegan, color-safe, cruelty-free.

Do's & Dont’s

  • DO clarify before K18 if you’re 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.

  • DO use for 4-6 shampoos consecutively for progressive results.

  • 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.

Size:

4-minute leave-in treatment to reverse hair damage.

Description:

A leave-in treatment mask that works on the molecular level to reverse hair damage in just 4 minutes. The K18PEPTIDE™ is clinically proven to repair damage from bleach + color, chemical services and heat* – with immediate and lasting results to restore strength, softness, smoothness and bounce to hair.

repairs damage caused by

  • Bleach + Color

  • Heat

  • Chemical Services

How to Use

  1. Shampoo, do not condition. Towel-dry thoroughly.

  2. Apply 3-9 pumps of K18 leave-in molecular repair hair mask based on your length and density, starting at the ends and working up towards the roots.

  3. Let sit for 4 minutes. Do not rinse out.

  4. Comb, add product + style as usual. Use for 4-6 washes post-salon service, then as needed.

More to Know

  • 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 + heat*.

  • pH-optimized (5.0-6.0)to help minimize cuticle swelling + put hair proteins in their most resilient state.

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

  • Vegan, color-safe, cruelty-free.

Do's & Dont’s

  • DO clarify before K18 if you’re 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.

  • DO use for 4-6 shampoos consecutively for progressive results.

  • 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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