K18 Biomimetic Hairscience Leave-in Molecular Repair Hair Mask 15ml
You'll earn 30 Status Points with this product
£30.00
Or 4 interest free payments of £7.50 with
In stock | Usually dispatched within 24 hours
Where science meets hair care, K18 believe that to truly care for our tresses, we must understand the biology behind it. Swapping out the lab coat and test tubes for a salon chair and hair tools, this brand is here to help you transform your locks from the comfort of your bathroom! Packed with a plethora of beneficial ingredients, namely their uniquely patented K18Peptide™, their hero product is a game-changer - or should we say mane-changer - that promotes healthier-looking hair. Can't think of a way to restore your hair's elasticity and bounce? Cue: the Leave-In Molecular Repair Hair Mask...
Does your hair need some TLC and a little... shaping? To the salon! Treat your locks to this at-home, leave-in formula that's infused with their unique patented K18Peptide that works on molecular level to repair even the most extreme damage! Let's pop on our lab coats for a quick second and give you the science-y low-down on this Leave-In Molecular Repair Mask. The patented peptide boasts a unique sequence of amino acids through the struggling strands to reconnect. The result? Stronger, softer, smoother and bouncier hair that's full of life. Boasting salon-like results in just 4 minutes, this concentrated formula is brimming with moisture magnets and protectors to leave your hair feeling prepped, primed and voluminous. Did someone say luscious locks alert?
Water (Aqua) (Eau), Alcohol Denat., Propylene Glycol, Cetearyl Alcohol, Dicaprylyl Ether, Cetyl Esters, Behentrimonium Chloride, Polysorbate 20, sh-Oligopeptide-78, Hydrolyzed Wheat Protein, Hydrolyzed Wheat Starch, Isopropyl Alcohol, Tocopherol, Phenoxyethanol, Potassium Sorbate, Citric Acid, Fragrance (Parfum), Geraniol, Linalool, Hexyl Cinnamal, Benzyl Alcohol.
For the latest information, it is recommended to review the ingredient list printed on the packaging of the product prior to usage or consumption.
Shampoo and rinse. Do not use conditioner, towel dry hair thoroughly, apply Leave-In Molecular Repair Mask and wait 4 minutes. Do not rinse out. After 4 minutes, apply styling products if desired and dry/style as usual.
Frequently Bought Together

This item
K18 Biomimetic Hairscience Leave-in Molecular Repair Hair Mask 15ml
£30.00
Customer Reviews
5 stars rating 940 reviews
4 stars rating 246 reviews
3 stars rating 84 reviews
2 stars rating 25 reviews
1 stars rating 21 reviews
Top Customer Reviews
Thanks for sharing your thoughts! Please remember that results will vary from person to person. We're proud to say that all customer reviews are independent, authentic and do not represent the views of Cult Beauty or The Hut Group.
Great for blonde hair
Worked wonders on my dyed blonde hair, left my hair feeling more elastic and after using it for the initial 6 times, only need it every 4 washes. Makes hair strong again!
by F Verified Purchase
Was this helpful?
Was expecting a little more
This is a nice product with a lot of hype. I was expecting more from it because of the tons of glowing reviews but I wouldn't say it has fixed my protein/moisture balance or split ends. Used about 7 or 8 times so far. For the price I would expect a bit more of a result from the product
by Laura Verified Purchase
Was this helpful?
Worth the hype!!
Honestly the best product that I’ve ever bought for my hair, completely transformed the condition of my hair and honestly lasts ages!!
by Soph Verified Purchase
Was this helpful?
Too pricy and too small to notice results
So expensive, herd great things about this product but after using the bottle after just a couple weeks I haven’t noticed a difference in my hair - assume it’s because I haven’t got enough product
by Josie Verified Purchase
Was this helpful?
Life changing!
This product has helped my hair more than any other bond repair - will definitely repurchase!
by Leah Verified Purchase
Was this helpful?
Love it!
This leave in conditioner works really well for my hair. Makes them soft and reduces appearance of dead ends!
by Sohbat Verified Purchase
Was this helpful?
Just get it.
It’s expensive. So if you can swing it, just do it. I have colour treated hair that’s suffered years of abuse and this made an immediate difference to the feel and texture of my hair once dried. Soft and smooth. Easier to brush and manage. I used it as directed, every wash for 4-5 times then just maintenance once a month. I love it and will purchase again.
by Farah Verified Purchase
Was this helpful?
Noticed a difference after 1 use
My hair is quite dry and thin. I've been using this for just over a month now and I've noticed that my hair especially at the ends is much softer and shinier, a little expensive but I would repurchase.
by Rhi Rhi Verified Purchase
Was this helpful?
results!!!
you can see results after first use. my hair is noticeably healthier after using consistently
by Rhi Verified Purchase
Was this helpful?
Love
Absolutely love this just a shame it has increased in price
by Zoe Verified Purchase
Was this helpful?