Of the three most popular brands — Clorox GreenWorks, Purex Natural Elements and Sunlight Green Clean — both Purex and Sunlight's products were found to contain petrochemicals, despite their 'green' claims.
CBC News commissioned an independent lab to analyze the three detergents.
Sunlight Green Clean says it "includes" plant-based ingredients in its detergent and that they have "found a more eco-conscious alternative to just petro-chemical surfactants."
But a test on their product found that along with plant-based ingredients, 38 per cent of their detergent content comes from petroleum.
"The first fishy thing on this label is the word "includes," said Adria Vasil, author of the book Ecoholic Home. "Basically, that's your tipoff that the whole thing isn't plant based." (read more)