A single exposure is unlikely to cause ongoing health issues. Triethylene Glycol (
PDF) spray can cause eye, skin and respiratory irritation, but is otherwise relatively harmless. Propylene glycol is antifreeze which is also a registered food additive and is an ingredient in some E-cigarette liquids. It may cause similar irritation as the triethylene form. Isopropanol, aka isopropyl alcohol, is a type of alcohol. It is most commonly seen in hand sanitizers. Fire and possibly explosion was probably the main danger to you, however, I wouldn't continue to use Ozium. Just open all the windows to air the room out thoroughly.
Orange Squeeze by California Scents is supposedly as effective without the irritation and other potential dangers of long term use.
Regularly inhaling the smoke from the weed I'm guessing your room mate was trying to disguise is probably a bigger health risk, at least to your mental health.