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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 is my favorite thing in the world. It smells amazing, and does wonders for the hair. Kérastase is the best product for the hair. I don't really use anything but this brand. This is my favorite product because I have long dry hair and it really makes it silky, smooth, and flow great while smelling amazing. I can't stop sniffing my hair!5
Very lightweight texture for a hair oil, smells really nice! Love that this was the lifestyle extra this month! Adds shine and tames frizz, exactly as it says!5
I love hair serums but the sample was too small for my hair to be able to tell if it was effective. All I can say is that it smells nice.5
This oil smells amazing and it is so light. It feels like silky butter but not oily, if that even makes sense. It does not weigh down hair and definitely adds shine. I even used some as a moisturizer for my legs.5
I've had issues with hair serums before making my hair too greasy but was happy with the results on this one. Great for winter when my hair gets drier.5
Kerastase has always been great for hair. I was excited to try this and it was great for my hair, silky, smooth and feeling hydrated. Totally recommend.5
I thought this serum was great. Had a lightweight feel and smelled great. I would recommend it to friends.5
I like this serum a lot. It is light but adds a lot of moisture and shine.5
This did everything it promised... Problem -- it is a little pricey considering most days I end up pulling my long hair into a pony tail.5
I love this stuff; the full size would be in my bathroom cabinet right now if it wasn't so expensive. It makes my hair very silky and manageable.5