Not really, provided you keep them in a safe place away from fire risks. Some people who have fragrance sensitives might not appreciate it (walking past yankee candle is a form of hell for me), but unlike the oils, the scent has been diluted and evenly dispersed via the fats in the candle (like soap) so it’s generally speaking not as strong an irritant for most people than dispersing straight up oil into the air.
True, but for the love of asthmatic lungs y’all that work in offices and stuff where the public has to come in, don’t use candles or air fresheners, or perfume/cologne for that matter! Some of the medical offices I have to go to have the most obnoxious plugins and candles on the counter, so sometimes my mom can’t even go inside. It’s also rough for me, not because of asthma or chemical sensitivity but sensory overload. One time a man came to the house to fix something, and I literally tracked his path outside thanks to his cologne. Just because your brain has filtered it out doesn’t mean the smell isn’t still there, let alone the chemicals. Even if you haven’t put on perfume in days, it’s still in your clothes and hair and other people can smell it.
If it’s not your house, please don’t scent mark it.
Glade plugin is genuinely a blight upon humanity and every medical office I’ve ever been in has had not one but two in their reception area. Including my ENT which is just cruel and unusual punishment.
It takes days if not weeks to dissipate after it’s been removed too. When we moved into our house there was one corner in the living room in particular that to me just smelt like syrupy death. It took me forever to realize it was stronger around the power socket and figure out what it had likely been. And our house had been vacant for weeks verging onto a month before we moved in. It was Unpleasant.
I dunno what the heck they make those things out of, but I’m pretty certain they could be used to commit chemical warfare if necessary.