"When paraffin candles burn, they can release small amounts of volatile organic compounds (VOCs) such as benzene, toluene and formaldehyde. These chemicals are also produced by other forms of combustion and, at high levels, are known to irritate the respiratory system and are classified as carcinogenic."
"Another potential source of emissions is the synthetic fragrance added to many scented candles. Some fragrance mixtures can release phthalates, chemicals used to help scents last longer, which have been linked in some studies to disruption of hormone systems."
"Paraffin candles can generate more soot than many plant-based waxes, particularly if the wick is too long or the candle burns unevenly. The effects are generally greatest in poorly ventilated spaces, where combustion by-products can build up in indoor air rather than dispersing."
Candle burning indoors poses potential health risks through multiple chemical emissions. Paraffin wax, derived from petroleum refining and used in most mass-produced candles, releases volatile organic compounds including benzene, toluene, and formaldehyde when burned. These chemicals irritate the respiratory system and are classified as carcinogenic at high levels. Synthetic fragrances in scented candles can release phthalates, linked to hormone disruption. Burning candles also produces hydrocarbons like alkanes and alkenes, similar to vehicle exhaust. Paraffin candles generate more soot than plant-based alternatives, particularly with improper wick length. Risk increases significantly in poorly ventilated spaces where combustion byproducts accumulate. Ventilation and limiting burn time reduce exposure.
Read at Mail Online
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