The Curl Experts® Anti-Frizz Nano Technology™ Define Curls, Lock Out Humidity All Curl Types The Original Curl Expert Since 1984 Advanced Climate Control® Featherlight Styling Cream defends against frizz and defines with ultra-light pillow soft hold, for smooth, touchable curls. Anti-Frizz Nano Technology™ seals the cuticle to lock in moisture and lock out humidity. The result: Frizz-free, consistently defined curls - in