So your contention is that inhaling propylene glycol into your lungs might not be unhealthy? "In its product safety assessment for propylene glycol, the Dow Ch

So your contention is that inhaling propylene glycol into your lungs might not be unhealthy? "In its product safety assessment for propylene glycol, the Dow Chemical Company recommends individuals avoid inhaling the chemical"[1] [1] https://ehp.niehs.nih.gov/122-a244/ https://ehp.niehs.nih.gov/122-a244/