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

4.5

1,155 Reviews

5

4

3

2

1

896

106

52

31

70

Recent Reviews

ghazalj

5

4/11/2026

The best hair oil

I have used many products for years and with well known salon products I completely lost my hair. Until I tried K18 I bought three of their products and all three are the best. Please do not change the formula or the price.

Recommended

Originally posted on sephora.com

annabananna2202

5

4/11/2026

My Holy Grail

If I could give this product ten stars, I would. This has become one of my new holy grails and a staple in my everyday routine. I use a couple drops in the morning and before bed, and my hair has transformed astronomically.

Recommended

Originally posted on sephora.com

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