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K18 Leave-in Molecular Repair Hair Mask (Various Sizes)

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 that penetrate through the struggling strands to reconnect and repair those broken chains. 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?

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.

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.

Brand:
K18

Frequently Bought Together

K18 Leave-in Molecular Repair Hair Mask (Various Sizes)
This item
K18 Leave-in Molecular Repair Hair Mask (Various Sizes)
from 11.72€
Select size
K18 Leave-in Molecular Repair Hair Mask (Various Sizes) + Olaplex No.9 Bond Protector Nourishing Hair Serum 90ml

from 41.10€

Add both to basket
K18 Leave-in Molecular Repair Hair Mask (Various Sizes)
This item
K18 Leave-in Molecular Repair Hair Mask (Various Sizes)
from 11.72€
Select size
Add both to basket

K18 Leave-in Molecular Repair Hair Mask (Various Sizes)

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EUR 11.72
from 11.72€
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You won’t find this beauty anywhere else — it’s *exclusive* to Cult Beauty.
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EXCLUSIVE
You won’t find this beauty anywhere else — it’s *exclusive* to Cult Beauty.
SHOP NOW

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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 that penetrate through the struggling strands to reconnect and repair those broken chains. 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?

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.

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.

Brand:
K18

Frequently Bought Together

K18 Leave-in Molecular Repair Hair Mask (Various Sizes)
This item
K18 Leave-in Molecular Repair Hair Mask (Various Sizes)
from 11.72€
Select size
K18 Leave-in Molecular Repair Hair Mask (Various Sizes) + Olaplex No.9 Bond Protector Nourishing Hair Serum 90ml

from 41.10€

Add both to basket
K18 Leave-in Molecular Repair Hair Mask (Various Sizes)
This item
K18 Leave-in Molecular Repair Hair Mask (Various Sizes)
from 11.72€
Select size
Add both to basket

Customer Reviews

Overall Rating : 4.9 / 5 (10 Reviews)
  • 9 5 star reviews
  • 1 4 star reviews
  • 0 3 star reviews
  • 0 2 star reviews
  • 0 1 star reviews
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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.

Amazing!

After just one application my hair feels renewed. It’s stronger, bouncier, healthier, smoother… everything! I definitely recommend this game-changer! 

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Hair Saviour - Actually Repairs Damage

K18 delivers on its promise. This product purports to cure damage from bleaching, heat and UV (more than what Olaplex claimed). This has transformed my hair. I have been highlighting my think & coarse, wavy auburn hair blonde since I was 12 (I am 24 now). This product has made my hair feel like virgin hair. The trick is not to use any conditioner when you are using this. This made me so sceptical as I have extremely thick and knotty hair. K18 manages to soften, detangle and make my hair shinier than it did with conditioner. Recommend to all my girls looking to salvage their hair between higlihting, In my 6 months using this my hairdresser has noticed an immense improvements in my hairs quality. Steep price tag up front, but so well worth it and a little goes a long way!

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K18 Excellent

K18 delivers in its promise - I would never use Olaplex again. 

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K18 50 ml

First time trying K18 leave in treatment I'm very impressed it leaves my hair soft shiny and easy to style..its great that there's no need to rinse like some hair treatments..so easy to use..would definitely recommend..I will definitely purchase again

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better than olaplex

this is truly way better than olaplex (no 0+3 together!!) this makes my hair feel more and more like virgin hair after a lot of damage from bleaching it. obsessed and definetly worth it!!!

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Amazing

Results are amazing My hair looks so healthy. Liquid gold!

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Difference is pretty noticeable

I do not know what exactly changed in my hairs, but they look and feel much healthier after using this mask. I am more than happy with the results, truly recommending to try this

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great product for a quick routine

its my 3rd time using the product and it works well. I have harsh, dry hair and using this mask helped reduce all the freeze, it nourished my coloured hair and help me save time during styling as the hair got softer and easier to manage. The only reasons that prevented to rate it as 5stars, are: the presentation - a small bottle -( in my case i have to use a big quantity of product) and the price. Its a good investment if your hair needs a boost or you need to save time while styling

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Saved my hair

Got it at my hair salon as a treatment and bought some for personal use at home. My hair has improved drastically. And I've tried everything, Redken, Kerastase... shampoos, conditioners, oils, masks - nothing worked like this did after a single use. My hair doesn't look broomy after the first wash when doing my highlights. It's soft, silky, healthier... I love it.

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The best

I use K18hair when I highlighted my hair or after 3-4 washes if my hair needs a boost. It is the best mask ever!

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