K18 Biomimetic Hairscience Leave-in Molecular Repair Hair Mask 15ml
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33.90€
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.
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Customer Reviews
5 stars rating 398 reviews
4 stars rating 104 reviews
3 stars rating 61 reviews
2 stars rating 13 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.
Lives upto the hype
I have very curly coily hair that is coloured, this has definitely strengthened my hair. A little does go a long way. I don't use it all the time every other wash but it definitely an important part of my routine.
by Jean
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Phenomenal
My hair is extra fine, & coloured professionally I also have an under active thyroid that affects my hair.  This is absolutely amazing! I wash my hair most days & also swim a couple of times a week.  Within a week my hair was soft & shiny.  Unbelievable.  I always feel Olaplex treatments need a boost between salon treatments  so the difference is K18 you are using every 3/4 washes.  Expensive but for me worth every penny.
by Ayrshire lass
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Incredible!
After reading all the great reviews I finally caved in and purchased this to help repair my fine, bleached, and heat damaged hair. I just wish I’d bought it sooner, because it’s absolutely incredible! It’s blown olaplex no.3 out of the water completely for me. I used it exactly as instructed, and in only 2 weeks it’s transformed my hair. It’s so soft and shiny, and has so much body! I’ve all but ditched my straighteners as I hardly need them. It’s so convenient to use as it’s leave in. Two pumps is enough for my long hair, comb through, wait 4 mins, then style as usual. I bought the 50ml bottle, and their website says one pump = 1ml, so I should get 25 uses from it. Yes it’s expensive, but 100% worth it for these results, and I won’t be without it now. I cannot recommend it enough!
by Sarah
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Perfection
This product is amazing for your hair recommend it to anyone
by Anika
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Excellent
Really good hair masque, definitely feel difference in hair, best I’ve used. Expensive, it’s a small size, but think it’s worth paying the extra for a quality productÂ
by Jane
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Transformational
This genuinely transformed my hair - I recently started swimming a lot and the chlorine had killed my hair but this has genuinely brought it back to life in only a couple of uses.Â
by Laura
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It’s good
Hair felt so much stronger anf healthy after using, yes it’s expensive but you don’t need much so the bottle will last a while.  I am impressed by this bottle of miracle for hairÂ
by Claire
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Disappointed
I was excited to try this and viewed it as a potential replacement for Olaplex no.3, however am very disappointed with the results. I should preface my review by saying I have VERY knotty, fairly long hair that is highlighted and prone to frizz, as such I was sceptical about not using conditioner - after looking at FAQ’s on the brands website I did end up using conditioner for 2/6 washes as per their suggestion. I do not feel that this helped my hair at all and feel I have definitely noticed more breakage and split ends than usual, since using this product- I also spent an extremely long time detangling my hair. Whilst I do colour my hair, I have a good routine and rotation of products and have never really noticed any substantial damage until this point- I rarely write reviews however was really excited to try this product and continued using despite my better judgment so I could complete the full six treatments as recommended by the brand- I think I’ll be heading the hairdressers for a trim and restocking my Olaplex!Â
by Lottie
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Good stuff
I was dubious about the fact you don’t use conditioner with this product! But my highlighted hair felt lovely after using this. Small bottle for the price but you only need a small amount.
by Sophia
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Incredible
I got this from my hair salon with an in salon pre-colour treatment . But will be purchasing from cult now I know they have it! I got the 5 ml. And have mid length hair. And lots of it. It was also very dry. I’ve got about 6 toes and counting from that small tube. So I’m a bit concerned by people saying the 5ml isn’t enough for one go. Try it sparingly first and then add more. It detangles and comes through easy. Too much and it’s a waste. You need less than you think It’s changed the texture and condition of my hair. My hair is now silky and soft. With better shine. It’s incredible.Â
by Emma
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