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Leave-In Repair Mask 5ml

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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

4,828 Reviews

3222

731

260

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433

TERMS AND CONDITIONS OF PUBLICATION

Recent Reviews

lou312

12/31/2025

MUST HAVE

Super good! Did the initial treatment and didn’t see much, but used it last night for the first time outside of the initial treatment, after straightening my hair 3 times without heat protectant and was pleasantly surprised. My curls have never looked this good!!

Recommended

Originally posted on sephora.com

Juleseosa

12/29/2025

My GO TO, YOU GOTTA TRY!!

[This review was collected as part of a promotion.] K18 delivers exactly what it promises. It noticeably repairs damaged hair, improves strength, and restores smoothness after just a few uses. Lightweight, effective, and worth the price.

Recommended

Originally posted on sephora.com