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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.
This was a nice lightweight serum that added a lot of shine to my hair. I preferably serum from a different brand though4
This stuff smells great and definitely adds shine to my hair, but I think the full size is just a bit too expensive. I'll stick with my drugstore serum for now.4
This product left my hair feeling soft, and it's very light. Still had frizz, but not as bad as usual.5
I love Kerastase! This product was amaaaaazing! Smells great! Smooths frizz! Adds shine! Nourishes hair! I mean there is literally nothing not to love about this product! Obsessed!5
This was good but there are a lot of other options that are better/cheaper in my opinion. I use a hair serum constantly and this one seems to be fine so I wouldn't not try it but know that for the price tag it isn't anything special.4
Will definitely purchase - my hair was so shiny after! A little heavy at first, but washes out nicely.4
I have short hair so I used a very small amount and I was pretty pleased with the product. Not sure I will purchase due to price and I already use a cheaper product that works as well5
I have never used anything like this before and I was every happy. My hair looks great. I would and will tell my friends about this product.5
I own a few products from Kérastase and every single one of them have proven positive results on my fine, sometimes lack luster locks! LOVE this product and I highly recommend it.5
This was a nice product. I don't use hair serums too much - I am very simple with how I style my hair. But this product was nice - nice clean scent and easy to use. It didn't leave a sticky residue like some products. :)4