This unscented advanced formula deep cleans dirt and stains from carpet and upholstery and helps remove pet & pollen allergens. It contains no phosphates dyes optical brighteners or heavy metals and is safe for all full sized deep cleaning machines. The bottle contains a minimum of 25% post-consumer recycled plastic. And like all bissell 2x concentrated deep cleaning formulas you use half as much to get the same cleaning power. This reduces the amount of packaging needed and saves you the inconvenience and cost of buying more packages of the same formula.