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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.
Really smooths my ends without making them feel or look greasy .5
This stuff is great! I love how it is not greasy at all and makes my hair look like I just left the salon!4
My hair breaks easily and is frizzy at the same time. I think this is the product that fixes both problems!4
I like this serum but it's not necessarily the best I've ever tried.3
It's a shine serum that works surprisingly well on my hair.4
This product definitely smooths frizz out, but it left my hair feeling a bit heavy and weighed down. It smelled nice though.3
I have always struggled with baby hair that is impossible to control and seems to stick straight out of my head, especially along my part line. A tiny amount controls those fly-aways and I no longer look like I stuck my finger in a light socket before work. Plus, it's light enough that it doesn't weigh down my fine hair. Love it!5
I liked this product, I thought it was great quality, but not enough to change my current routine. My mom did like it though, and she has a different hair type.4
This serum is surprisingly lightweight. I doesn't weigh down your hair or make it greasy, even when I used it with my regular hair oil. Pleasant smell, and does help with frizz, although nothing gets rid of frizz.4
i only use serums when I blow dry my hair. This serum worked well. I wouldn't say it is any better or worse than other serums I've tried. Definitely does its job without weighing my hair down4