Get party perfect with the schwarzkopf osis session hairspray a 100ml size of the bestselling hair fixer in a gorgeous sequinned pouch the ideal size for your party clutch osis session is perfect for holding all manner of styles in place the extreme hold hairspray applies in a fine mist dries quickly and lasts for hours ensuring your style looks as perfect at the end of the night as it did at the beginning despite the extreme hold your style never feels stiff or sticky just super g