From the Manufacturer:

Pureology Style Protect Weightless Volume Mousse is a Conditioning mousse with heat protection that provides weightless volume and adds shine. Turn up the volume on your next road trip to Indio with this root-lifting mousse that leaves flatness in the rear view. A weightless formula conditions and lifts hair to megastar heights. Made with heat protection for great wet-to-dry styling that builds a foundation for more involved styles.