steam rooms tend not to have a vapour that contain tens of chemicals that are marked poisonous when ingested!
You sure about that? This is from Steam Room Eucalyptus:
Hazard Statements
H226 Flammable liquid and vapour
H303 May be harmful if swallowed
H304 May be fatal if swallowed and enters airways
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H401 Toxic to aquatic life
H411 Toxic to aquatic life with long lasting effects
Precautionary Statements
P262 Do not get in eyes, on skin, or on clothing.
P273 Avoid release to the environment.
P280 Wear protective gloves and eye protection
P301+P310 IF SWALLOWED: Immediately call a POISON CENTRE.
P331 Do NOT induce vomiting.
P391 Collect spillage.
2.3 Other Hazards
Contains Limonene which may produce an allergic reaction