full-size leave-in molecular repair hair mask
full-size leave-in molecular repair hair mask
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.
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how to use
how to use
1. Shampoo, do not condition. Towel-dry thoroughly.
2.Apply 1-3 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
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.
key benefits
key benefits
Takes damage repair further– reconnects both polypeptide chains (and as a result, also reconnects disulfide bonds) for strength along the length + width of the hair - offering comprehensive, lasting damage 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– becauseK18PEPTIDE™works on a molecular level (where all hair is the same), this product is effective on all hair types.
dos and don'ts
dos and don'ts
✅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
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.
soft, strong, bouncy hair for everyone
Repair damage for hair like new* in 4 minutes.
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"I absolutely love this product!! Youhave to see it to believe it!"
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"...I had my hair chopped (it wasbegging for it) along with somehighlights and coloring of the roots. Myhair stylist used this on my hair and Iabsolutely loved how it made my hairfeel ... I love this mask so much!"
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"It makes my hair so soft andweightless, I absolutely love it... Makesmy hair feel so luxurious, it's like I justleft the salon. Can't recommend thisproduct more!"
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"My hair has been a mess for years...My new hair stylist recommended K18!... My hair looks and feels amazing withlasting results!!"
how to use molecular repair mask
1. Shampoo, do not condition. Towel-dry thoroughly.
2. Apply 1-3 pumps 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 styling product + style as usual. Use for 4-6 washes, then as needed.
reverse damagein 4 minutes from:
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bleach+ color
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chemical services
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heat
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.
How often should I use it?
Our mask is designed to be a powerful treatment that repairs damaged hair. But the key to using it effectively is understanding how often to apply it and how much to use.
Generally, you can use it once or twice a week, depending on how much repair your hair needs. If your hair is very damaged or over-processed, you might want to start using it more frequently, but if you’re maintaining healthy hair, once a week should be plenty.
k18 benefits
our story
Our story began with a decade of complex research into the bioscience of hair, resulting in our patented molecular repair peptide. Through this research and the application of synthetic biology, we are able to do more with less, simplifying formulations and routines to support hair health and expression at home and in the salon.
got questions?
how does the k18 mask work?
how does the k18 mask work?
The K18 mask works as a treatment to reverse damage in 4 minutes. It’s powered by our biomimeticK18PEPTIDE™to seamlessly fit in and reconnect 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, and progressive repair.
what is the k18peptide™?
what is the k18peptide™?
K18PEPTIDE™is a biotech-developed peptide that mimics hair’s structure to reverse damage by reconnecting polypeptide chains and disulfide bonds broken during damage from bleach + color, chemical services, and heat*
why skip conditioner?
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.
i noticed there’s alcohol in the formula, isn’t that bad for you?
i noticed there’s alcohol in the formula, isn’t that bad for you?
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 functions to open the hair cuticle so theK18PEPTIDE™can penetrate the innermost layer of hair, reaching the broken polypeptide chains (keratin chains).
when should i expect to see results?
when should i expect to see results?
Most see results after 2-3 uses. The more damaged the hair, the more dramatic the results so it may vary depending on your hair type and level of damage.