A 2011 study found that fragranced products cause dryer vents to emit seven compounds that contain hazardous air pollutants and two that are carcinogenic.
Choose products wisely
Even “unscented” brands may not be what they purport to be. “Unscented detergents can still contain fragrances to mask chemical smells,” says Lindsay Coulter, the David Suzuki Foundation’s green-living expert.
Try your hand at DIY
If you want to avoid mystery ingredients, make your own detergent. The David Suzuki Foundation recommends using ½ cup per load of a mixture of two teaspoons of salt, two tablespoons of baking soda, two tablespoons of liquid Castile soap and one litre of hot water.