Vacuuming Tips
Firstly, adding perfumed anything to the dust bag on board or bagless chamber can damage the filter, particularly if you have a Miele vacuum - it warns against using scented anything. Perfume can also saturate the bag and cause the motor to ignite since perfume...
Vacuuming Tips
Another thing - regarding emptying a bagless vac - even if you use a plastic bag, dust bags in vacuums are so much more hygienic these days - theres a reason to why schools and hospitals still use bagged vacuums.