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
MrsStaffney
Verified Buyer
5
3/30/2026
Just as great as I was told it would be!
I used this product like it told me for super damaged hair, so for 6 consecutive washes I applied it. It did wonders allowing the cuticle of my hair shaft to close. Since then I've been using it 1 to 2 times a week and its continued to allow my hair to look and feel so much healthier. I like the product so much I went back and got the oil to pair with it and I love that as well.
Originally posted on sephora.com
Fay
5
3/29/2026
Rescued my hair
Used after bleaching my hair. Left it much more manageable. A little goes a long way.
Originally posted on Sephora-uk