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K18 = Sephora

K18 Biomimetic Hairscience

Get hair like new* with K18's biology-first haircare, designed to make the impossible possible.

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Reviews

4.6

472 Reviews

5

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2

1

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Recent Reviews

newbeethrills

Verified Buyer

5

2/3/2026

Use along with other heat protection

K 18 has made a difference on my curly hair. I’ve used the line along with Innerscense organic hair bath, and I’ve since included Amika heat protection for when I silk press my hair once a week. I use this K18 product while my hair is damp and then I apply two other heat protection from Anika. Comb through and blow drying. Then I add more Amika and straighten

Recommended

Originally posted on sephora.com

Eminema

4

1/20/2026

I’m liking it

I’ve seen many describe the smell as unpleasant but I like it. My hair has started feeling a lot more healthy and not seeing as much shedding

Recommended

Originally posted on sephora.com

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