Curl defining hair mousse leaves a soft and weightless hair finish. Hair mousse that defines curls & beachy waves with long-lasting flexible hold. Delivers a soft, weightless finish with natural shine, heat protection and humidity resistance. Ideal for defined, frizz-free soft waves, curls, controlled braids and updos. benefits: Perfect for smooth waves and defined curls. Tames frizzy hair, with heat protection and humidity resistance. Long-lasting flexible hold, leaves hair with a soft weightless finish.