Rene Furterer Volumea Volumizing FoamMousse has gone high rech with rene furterer volumea no rinse volumizing foam, which contains special "cationic polymers" to resist humidity. Natural carob extract, usually reserved for vegan desserts, adds weightless volume to limp tresses. Massage this foam into towel dried hair and style as usual for for enviably full, shiny locks.