25–30% OFF on selected items!

Beauty deals you can’t resist – shop your favorites now! Shop Now

K18 = Sephora

K18 Biomimetic Hairscience

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

Shop Now

Reviews

4.5

1,115 Reviews

5

4

3

2

1

871

103

49

31

61

Recent Reviews

klynn1999

1

11/23/2025

Awful and greasy.

Extremely greasy and caused hair loss. Avoid it!!!!!!

Originally posted on sephora.com

genjerleigh

4

11/20/2025

I like it!

I used about 6 drops on my long hair and was surprised to see it actually did something for my hair with so little. my hair looked smoother with it on. I haven't gotten to test how it works with humidity which triggers my frizz

Recommended

Originally posted on sephora.com

Home

Shop

Stores

Account