This overall score is a measure of soil removal. Our experts soil white ceramic tiles with oily grime. Using a scrubbing apparatus with a damp cloth attached, the tiles are scrubbed 40 times. The reflectance readings are measured before and after cleaning to determine the overall score.
Shop Ethical utilise formulas based on third party independent ratings to derive an Ethical rating for each company (not product) ranging from A for the best to F for the worst. See the link to their website at the top of this review page for more information.