Free UK shipping over £25 15% off your app order Sign up for email exclusives Earn Cult Status Points
Enjoy 15% off with code FIRST15 and get a FREE £10 gift card when you spend over £65
K18 Biomimetic Hairscience

K18 Biomimetic Hairscience Leave-in Molecular Repair Hair Mask 15ml

You'll earn 30 Status Points with this product

Discover Cult Status

£30.00

Or 4 interest free payments of £7.50 with


In stock | Usually dispatched within 24 hours

Frequently Bought Together

K18 Biomimetic Hairscience Leave-in Molecular Repair Hair Mask 15ml

This item

K18 Biomimetic Hairscience Leave-in Molecular Repair Hair Mask 15ml

£30.00

Total Price:

£57.00

Other Customers Bought

Customer Reviews

4.56 stars out of a maximum of 5

5 stars rating 982 reviews

4 stars rating 254 reviews

3 stars rating 87 reviews

2 stars rating 28 reviews

1 stars rating 22 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.

This genuinly did work

4 stars out of a maximum of 5

I did end up buying full size after this, k18 really does work especially with bleached hair, however it’s expensive so I do use this really sparingly 

by Lois Verified Purchase

Was this helpful?

It’s so good but pricey

4 stars out of a maximum of 5

This works I’ll tell u it really does work just won’t buy it agian for a while due to price 

by Lois Verified Purchase

Was this helpful?

Yes it's holy grail for a reason

5 stars out of a maximum of 5

Wanted a product to realistically help save my hair as I'm trying to grow it longer. It's also really useful for that in-between period just before you need to have your haircut, because it will show you that perhaps your hair is very dry and not dead. Also don't use conditioner after showering / before applying for best usage! 

by Thee Verified Purchase

Was this helpful?

The best

5 stars out of a maximum of 5

The best hair care product I have used, leaves hair soft and silky.

by Scarlett Verified Purchase

Was this helpful?

Amazing

5 stars out of a maximum of 5

Best thing iv ever used for my hair, can't believe how silky smooth ny hair feels after one use,

by Chantelle Verified Purchase

Was this helpful?

Mediocre

3 stars out of a maximum of 5

I think I'm the only person in the world who isn't overly bothered by this. It doesn't really do much for my hair at all. For the price I was expecting amazing results but i have used cheaper things that work better

by poppy Verified Purchase

Was this helpful?

The best

5 stars out of a maximum of 5

There are no words for how good this is!! Will repurchase however I think the price could be better

by Denisa Verified Purchase

Was this helpful?

Love just expensive

4 stars out of a maximum of 5

Such a great product just so expensive :(

by Emily Verified Purchase

Was this helpful?

Love

5 stars out of a maximum of 5

This is my second bottle I generally see a difference. Just wish it was cheaper

by Emily Verified Purchase

Was this helpful?

Loved it

5 stars out of a maximum of 5

Loved this. It's really easy to use as you just put it on after washing and leave it ie no need to mask. And I found it to be, in my option, a bit more effective that Olaplex. There is a slight smell but nothing too noticeable. Not using conditioner beforehand (which is what your instructed to do) does make combing your hair a little harder but that's the only downside. 

by Ally Verified Purchase

Was this helpful?