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Ever since we watched the first season of “Gossip Girl,” we’ve been huge fans of Blake Lively’s flowing waves. So we were excited to learn that the blonde actress was the inspiration behind Kérastase’s new serum. Specially designed for long hair, the leave-in treatment adds a high-definition shine while sealing each cuticle (bye bye, split ends). Plus, the light, gorgeously scented formula won’t weigh down your strands.
I was really surprised that this serum didn't weigh down my hair -- it didn't even make it look greasy. It gave it a subtle shine, a little smoothness, and just a really nice put-together look. It has a nice smell too. I don't know if the sample size convinced me enough to take the somewhat steep price plunge, but I did like it quite a bit!4
This product didn't really seem to do much for my hair, but then again it was a small sample and I have very long thick hair so it's hard for me judge how effective the product is3
I thought this product was only just okay. I did notice that my hair was a little shinier but not anymore then my current hair serum. I will say that I do not really have much of a problem with frizz so I can't say if it helps out with that but overall I really wasn't that impressed.3
I'm not used to serums, but I really like the feel and effects of this product. I'm still trying it out and appreciate the sample size.4
Makes hair shiny, felt pretty lightweight even on my oily hair.4
I like this because I felt like it added lightness to my hair. Will definitely purchase this sometime in the future.4
This product left my hair soft and shiny. I will not purchase it though due to cost and I use a similar product.4
Left hair shiny and not weighed down. Worked pretty well.4
This serum gave my hair moisture and got rid of frizz5
It does its job well! I have curly, semi-frizzy hair and this contained it and gave just enough shine.5