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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

4.4

270 Reviews

5

4

3

2

1

189

39

11

10

21

Recent Reviews

jennly18

5

6/10/2025

I don't notice much difference when I first apply, so I spray this on my hair at night and I see a significant amount of volume when I comb my hair the next morning! I like the scent and love that it doesn't make my hair crunchy I

Recommended

Originally posted on sephora.com

MorganLea

5

6/6/2025

A staple product as part of my hairstyling routine

Not only lifts but thickens my hair strands while burnishing them. I found the only tools I needed with this product was a young brush and a blow dryer. I normally finish my bangs and ends with a hair straightener to smooth the ends. Wasn’t necessary, which I live!

Recommended

Originally posted on sephora.com

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