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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

5,020 Reviews

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Recent Reviews

Rachel

5

5/6/2026

Amazing

Amazing product makes a difference after the 3rd day....hair feels so much better.

Originally posted on Sephora-uk

tferma

Verified Buyer

5

5/6/2026

Nothing else compares!

I’ve tried numerous hair masks for my color treated hair and nothing comes close to this product. It doesn’t take much and leaves me with an incredible shine as if I just left the salon. Once a week is all it takes.

Recommended

Originally posted on sephora.com

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