BHD 13.750
4.3
Leave-In Molecular Repair Hair Mask
A leave-in treatment mask for all hair types that clinically reverses damage in four minutes. The K18PEPTIDE™ works to repair damage from bleach, color, chemical services, and heat, restoring strength, softness, smoothness, and bounce to hair.This mask is powered by the patented K18PEPTIDE™, which is just the right size and molecular structure to reach the innermost layers of hair and re-connect broken keratin chains responsible for hair's strength and elasticity.
Restores strength, softness, smoothness, and bounce
Repairs damaged hair
Easy leave-in formula delivers lasting results
Clinical Results:
In a clinical study on hair that was bleached 8 times, after 2 uses:
-Biotech-powered K18PEPTIDE™ restored damaged hair by up to 82%
BHD 13.750
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K18
Leave-In Molecular Repair Hair Mask
BHD 13.750
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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
Recent Reviews
yeter
Verified Buyer
5
6/10/2026
Soft and loft
[This review was collected as part of a promotion.] Perfect product.I used first time i love it. It is a lovely
Originally posted on sephora.com
Bunkerhill
Verified Buyer
5
6/9/2026
I used it frequently, love it
I absolutely love this product and it leaves my dyed hair extremely soft, I work outdoors in the sun and I can definitely see and feel a difference
Originally posted on sephora.com