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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

428 Reviews

5

4

3

2

1

288

69

15

22

34

Recent Reviews

mommyx4

Verified Buyer

5

6/2/2026

Must Have

Amazing. Nothing short of amazing. If you have fine or thin hair, this is the product. It makes my hair feel soft without being too soft or weighed down. My hair has volume and is bouncy. Doesn’t make it greasy or gummy or dirty feeling. all.

Recommended

Originally posted on sephora.com

EmileeHenry

Verified Buyer

1

5/27/2026

Skip it

This does nothing for volume. All it does is make your hair incredibly greasy the next day.

Originally posted on sephora.com

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