leave-in molecular repair hair mask
Description
A leave-in treatment mask for all hair types that clinically reverses damage in 4 minutes. The patented peptide technology works to repair damage from bleach, color, chemical services & heat – restoring strength, softness, smoothness, and bounce to hair.
what you can expect
by damage type
loved by stylists
– Christine Thompson, Director of Color at Spoke & Weal
After spending a decade in the lab scanning and testing all amino acid sequences across the entire keratin genome that makes up human hair searching for a breakthrough, we discovered one unique sequence (a bioactive peptide) that brings damaged hair back to its original, youthful state. This is our K18Peptide™.
Traveling deeper into the inner layers of hair than traditional repair products, our revolutionary peptide is just the right size and makeup to fit in and reconnect those broken polypeptide chains (keratin chains). And because our peptide is a bit of an overachiever, as a result of this reconnection, any disturbed disulfide bonds are also re-conformed.
Our peptideemploys biomimetics to get the job done. To put it simply: Biomimetics is the practice of learning from and mimicking nature. Mimicking the natural structure of keratin building blocks (amino acid sequences), our K18 bioactive peptide is recognized as natural by the hair. It’s not washed away by water or shampoo like traditional bonding agents either, making K18 a genuine, lasting solution for damaged strands.
An Analogy: When building proteins, the order of the amino acids determines the kind of protein and its properties, much like the way letters are arranged to make meaningful words and sentences. In the same way the order and where each word sits in a sentence leads to its overall meaning, K18 is the magic word that fits right in, integrating itself with the keratin chains as the hair recognizes it as a natural building block.
Renews strength, softness, smoothness, and bounce
- Leis T.Verified BuyerReviewingMini Leave-In Molecular Repair Hair Mask 15 mLI recommend this productAge 45 - 54Hair Concern Color-care, Heat damage, DrynessHair Type Medium DensityMy Results Visible Difference, Less Breakage, Smoother Hair, Shinier Hair, Less FrizzRated 4 out of 5 stars5 hours agoExcellent performance 👏
I am so happy I found this. What a difference it makes ..
KK18Hair2 hours agoThank you for your support and for choosing K18 for your hair care needs.
- Niav H.Verified BuyerReviewingFull-Size Leave-In Molecular Repair Hair Mask 50mLI recommend this productAge 35 - 44Hair Concern Extending time between washes, Fragile/brittle hair, Color-careHair Type Fine/Thin, Straight/WavyMy Results Soft Touchable Hair, Cleaner, fresher hair, Bouncy Hair, Visible Difference, Oil absorbedRated 5 out of 5 stars3 days agoLove this product
I have been loving using this product. It works as advertised. 4 pumps after shampooing only. My hair is in better shape after several weeks of using
KK18Hair1 hour agoWe’re so happy K18 is bringing your hair back to life, thank you for trusting us with your strands!
- MalloryVerified ReviewerReviewingFull-Size Leave-In Molecular Repair Hair Mask 50mLI recommend this productAge 18 - 24Hair Concern Chemical damage, Frizz, Dryness, Fragile/brittle hair, Split-EndsHair Type Medium Density, Straight/Wavy, Curly/CoilyMy Results Visible Difference, Bouncy Hair, Defined Curl/Wave Pattern, Stronger Hair, Soft Touchable HairRated 5 out of 5 stars1 week agoHas changed my curls for the better
All my life I didn’t know how to look after my curly properly and growing up, I always thought i was just fluffy and wide. I never knew my hair was frizzy or knew how to look after it. I work in a chlorinate environment for the last year and a half and the chlorine was damaging my hair and curls. For about 8-9 months I’ve been wearing a big swimming cap to prevent any more chlorine from getting into my hair and it has helped but the damage was still there.
No until about 3 months ago I discovered the K-18 bond repair treatment and technics and products to help with curly hair. I was a little bit hesitant to buy the K-18 mask but I needed something to help repair my hair.
I’m very glad I have. Over the last 2 months I’ve been styling my hair like curly hair and added the K-18 repair mask into my routines and my hair has never looked or felt better. The photos are the before and after and my after photos show my definition within my curls and my hair is much stronger. This bond repair treatment has not only saved my hair from the damage from the chlorinated water but has brought my curls back to life. I never knew my hair could be this curly. This mask has been a true curl/hair saver and I will continue to use it in my routine. <3
The photo when I’m in the blue shirt was me just over 2 months ago and the photos of me in the black shirt is me recently. I’m also showing how defined my curls have been in one of the photos, ignore the mess in the background as my bathroom is…
KK18Hair1 week agoWow! These are some amazing results! Thank you for trusting us with your beautiful hair!
- JamillaVerified BuyerReviewingFull-Size Leave-In Molecular Repair Hair Mask 50mLI recommend this productAge 35 - 44Hair Concern Fragile/brittle hair, DrynessHair Type Medium DensityMy Results Less Breakage, Soft Touchable Hair, Visible DifferenceRated 5 out of 5 stars3 weeks agoMy forever product
I first purchased the trial package back in 2023, I loved it so I purchased the 50ml in September 2024. I just ran out of that bottle so I subscribed for a delivery every 6 months. This mask has strengthened my hair along with the other mask and conditioner I use after each wash. 2024 I also had a baby which caused my hair to thin, k18 established the bonds of my hair so that I would lose my length, my hair is still coming together after giving birth and I know this mask has done wonders for my hair. I had bad hair loss after all three of my pregnancy and this is the only product I repurchase because of the effects. Blue heart picture is 2024 and pink shirt is now 2025.
KK18Hair3 weeks agoThank you for your review and continued support, Jamilla!
- Rebecca H.Verified BuyerReviewingJumbo Leave-In Molecular Repair Hair Mask 100mLI recommend this productAge 65+Hair Concern Dryness, Color-care, Extending time between washesHair Type Fine/ThinMy Results Visible Difference, Bouncy HairRated 5 out of 5 stars3 weeks agoBest product ever
I absolutely love this product. My hair is fine very fine and when I use this, it’s like I have tons of hair believe it or not.
KK18Hair3 weeks agoLooking great, thank you for your review and sending us over these photos.
