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K18 Biomimetic Hairscience
Get hair like new* with K18's biology-first haircare, designed to make the impossible possible.
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Reviews
Recent Reviews
Cristina
5
7/20/2026
Amazinf
Honestly saved my hair after bleaching, will never stop reusing
Originally posted on Sephora-uk
2LivLB
4
7/20/2026
My wallet is mad, but my hair is happy
I was kind of hoping this wouldn't work given the price, but it lives up to the hype. Having hair down to my lower back means split ends are a constant battle, but K18 makes a massive difference.
Recommended
Originally posted on sephora.com