Unlock your gifts
K18 Biomimetic Hairscience
Get hair like new* with K18's biology-first haircare, designed to make the impossible possible.
Shop Now
Reviews
Recent Reviews
Giavanna08
Verified Buyer
5
5/31/2026
Perfect for blondes that get yellow
I first apply this in my wet hair in shower, then I add my regular shampoo & let sit for 4 minutes. it does brighten my hair. I make sure to use a conditioning mask & leave that in for 4 minutes because I find purple shampoos tend to dry my hair.
Originally posted on sephora.com
tg123
5
5/23/2026
Amazing!!
My results speak for themselves.. see attached picture. if you’re not liking this, you probably aren’t like the feeling of your hair once you removed all the product that’s been coating it. Try the k18 repair mask with it…
Originally posted on sephora.com