Leave-In Molecular Repair Hair Mask | K18 ≡ SEPHORA

Summer Essentials Here!

Discover exclusive summer picks you'll only find at Sephora. 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

4.3

4,693 Reviews

5

4

3

2

1

3135

717

251

175

415

Recent Reviews

abitir

5

7/13/2025

A must have

if you invest in one hair product, let it be this.

Recommended

Originally posted on sephora.com

JJNT

5

7/2/2025

Holy Grail

If you bleach your hair, pleaseeeeee do yourself a favour and splurge for this product. That is all 🫶🏼

Recommended

Originally posted on sephora.com

Home

Shop

Stores

Account