Fan the flames of romance by setting the mood with soy candles. Petrol-free candles burn up to 50 percent longer than paraffin wax ones do, and come from a renewable source: soy. Veggie-based candles also leave fewer smoke marks. Some citrus organic candles are scented with neroli, which is non-toxic, non-irritant, non-sensitizing and rumored to be an aphrodisiac!