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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
JennyNae
5
1/19/2026
Amazing hair oil=amazing results!!
Amazing product! If you use as directed you will receive beautiful results! One of the best hair oils I have ever used! I love trying all the new & latest products out there, but I always come back to this one every single time! Totally worth it!
Originally posted on sephora.com
enidm
1
1/18/2026
Meh not worth it.
Not worth it. I have thin dark brown hair highlighted blonde. I've been using it regularly for months. I really wanted it to be great because I did notice a difference with the shampoo+conditioner+mask routine but there was no change with this product on dry or wet hair. It instead made my hair feel less slick and smooth and more rough with friction. It looked more dry to a point, then just looked greasy but never hydrating. I preferred olaplex oil Moroccanoil oil over this.
Originally posted on sephora.com