The Beauty Sale Is On.

Save 25% - 30% on beauty must-haves. Refill, restock, and refresh your routine now. 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

5,002 Reviews

5

4

3

2

1

3343

754

272

189

444

Recent Reviews

dawnabawna

Verified Buyer

5

4/28/2026

My hair was bleached and frizzy. Literally dry as straw. I went to megacon and a sweet lady taught me how to use a hair stick and made me promise to try this. She was a literal Angel. It has transformed my hair. Wish I had known about it before I started bleaching.

Recommended

Originally posted on sephora.com

callmegemini

Verified Buyer

5

4/26/2026

A must for chemical treated hair

Best leave in hair mask, I have bleach process hair. I been using this mask for about 5 years now. So worth the price. It was helped strengthen and keep my hair strong after bleaching for years.

Recommended

Originally posted on sephora.com

Home

Shop

Stores

Account