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May prevent cancer: Citronella is a plant essential oil used as an insect repellent and non-specific therapeutic agent in alternative medicine. It is not believed to be a carcinogen, although methods of testing have been almost entirely as topical agent. A search conducted in the national library of medicine revealed no evidence that it caused cancer and some suggestion that it reduces cancer in mice. ...Read more
Lump like a bug bite on upper leg doesn't itch. already applied citronella oil and size reduced but not really dissapear. now it turn blackish color.
Not enough info.: Of course, i hope not, but depending on the country of origin, safety standards while being made, etc. Anything could, theoretically have carcinogens. Cigarettes, for example, are legal to purchase and we know they're carcinogenic. ...Read more
What treating?: I'm unclear from your question what symptoms you are trying to treat and exactly how candle smoke fits into this. Concerning use of vaporizers, they are safe as long as you clean them daily and you must be careful if young children around because the steam/hot water from the vaporizer can burn them. ...Read moreSee 1 more doctor answer
?: Don't understand the question. Candles are health-safe, unless you are allergic to the scent. ...Read more