What it is: LiQWD Professional Volumizing Catalyst

Why we love it: A few months back, our fellow beauty aficionado Nadine Jolie e-mailed us about her latest hair obsession: LiQWD. She loved the line of high-tech hair products so much (each one features Color-Safe Technology and Nano-Hydraspheres for serious volume, hydration, and color protection) that she ended up becoming a consultant for the brand. After doing some research and discovering that Rachel Zoe recently referred to LiQWD Professional Volumizing Catalyst as "life-changing" on her site, The Zoe Report, we asked Miss Fancy Consultant Pants to send us a bottle of the stuff. We figured that if it's good enough for the world's most famous stylist's mane, then we'd like it too. And did we ever. The spray gives hair a full, lush look without the stickiness typically associated with volumizers and we DIED over the line's signature fruity-floral scent. Plus, now we have something in common with Rachel Zoe (other than an undying love for her assistant Brad).

Where to get it: At prestige salons and liqwd.com

How much: $28

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