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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 isn't quite as hydrating as the argan oil serum I use daily, but it smells great and smooths my hair without weighing it down.5
It smells great and helps control frizz without weighing my hair down.5
This product worked great. My hair, badly in need of a trim, looks shinier and healthier after using this and the results lasted longer than other products. I still can't afford this, but it does what it says. Split ends and frizz are minimized.
I really liked this sample! It does deliver on it's promises: it smooths, adds shine, and my ends were more manageable. Smells good too!5
This is a nice product the sample is the smallest little sample ever but you only need a tiny bit in your hair.5
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