Burning candles made from paraffin wax — the most common kind used to infuse rooms with romantic ambiance, warmth, light, and fragrance — is an unrecognized source of exposure to indoor air pollution.
“An occasional paraffin candle and its emissions will not likely affect you.
“But lighting many paraffin candles every day for years or lighting them frequently in an un-ventilated bathroom around a tub may cause problems.”
A bespoke design firm in Tokyo is making candles from waste cooking oil.
Filt “waste oil” candles combine recycling with nice packaging to make a product that looks good, smells good, burns well. [story]