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K18 = Sephora

K18 Biomimetic Hairscience

Get hair like new* with K18's biology-first haircare, designed to make the impossible possible.

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Reviews

4.3

4,704 Reviews

5

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719

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Recent Reviews

Rebecca

5

7/23/2025

Lives up to the hype

One of those products that, despite being expensive, is worth every penny. I was reluctant at first to wash without using conditioner but K18 makes the hair so silky, you don't even notice you haven't used conditioner.

Originally posted on Sephora-uk

Natalie

4

7/23/2025

I think it works

I think it works, but how can you really know? Ive used 3 bottles and my hair seems to grow without breaking as much but that may not be down to this product. Its easy to use though, however its very expensive

Originally posted on Sephora-uk

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