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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

4,761 Reviews

5

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3

2

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Recent Reviews

Jeriselda

4

10/26/2025

A must have in your routine

[This review was collected as part of a promotion.] After I have used this product for 20 days, 5 washes already, my hair is healthier, less breakage and fuller looking. I love it ! The photo with white and back strips shirt was made on Oct 5th, and the red shirt was made after 20 days e after

Recommended

Originally posted on sephora.com

Annieshayeeee

3

10/24/2025

Get redken bond mask instead

So my thoughts are mixed:/ I use this once a month and my platinum hair feels brittle and dry after and breaks off. When I don’t use it it feels healthy and moist. I would say get the redken bond mask instead

Originally posted on sephora.com

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