Great for anyone averse to heavier styling products, Kérastase, a winner of the GH Beauty Lab’s anti-frizz styling products test, provides potent frizz-fighting power in a lightweight liquid spray. The mist stopped frizz on testers for a full day and on hair swatches in the Lab humidity chamber, and it didn’t feel tacky on hair. “This single bottle worked better than the three-product combination I was using,” a tester said. “It smoothed out my frizz and broken ends without leaving any film or crunch behind.” More than half of users raved about its “pretty”