The safe use of scented candles, the first weight is must be in the line of sight, and a single burning does not exceed four hours, so the whole delay is not safe!
As for poisoning? Unless you bought extremely inferior products, otherwise it is unlikely, because every fragrance is tested by international testing companies, and as far as essence raw materials are concerned, generally the world’s four largest flavor companies dominate the world! Basically safe natural essence.
Poisoning will not, such as when the power failure, the ordinary candles, a little for a long time, and no one poisoning.
However, almost all brands of scented candles repeatedly warn you not to burn for more than four hours at a time, and it is not strongly recommended to keep candles burning overnight.
Because, a continuous burning for 4 hours, no matter how good the scented candle will also produce black smoke, not only will the beautiful candle cup wall blackened (don’t ask me how to know), but also destroy the original fragrance, so if you want to continuous point, it is suggested to put out first, and then re-lit;
Also, it is not recommended to leave the room unattended, or to light candles during sleep at night, mainly because of the risk of fire.
Nothing happens as long as the room is ventilated and the quality of the scented candles is guaranteed. Of course, it is not recommended to use scented candles all night
On the one hand, there are certain safety concerns about using fire all night, especially an open flame.
On the other hand, we all know that candle burning consumes oxygen. So in the evening, the oxygen consumption in the house is too much, also is not conducive to sleep quality, and even health.