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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

4,994 Reviews

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Recent Reviews

KeenaBel

5

4/18/2026

A staple!!!

My hair has never been this strong in my entire life! I can pull on my strands and they won’t budge. I have fine/medium 3c/4a hair that I flat iron weekly and I get a keratin treatment once a year. I’m a snob about haircare so when I say this is amazing i mean it. Use conditioner though.

Recommended

Originally posted on sephora.com

Iman

5

4/18/2026

10/10!!!!

Absolutely love this product made my hair so silky and reduced breakage by a lot

Originally posted on Sephora-uk

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