Because we don’t use petrochemicals, we have no “dry cleaning” smell. But we’re not just gentle on your nose. We’re gentle on your clothes too. Most dry cleaners use either perchloroethylene or hydrocarbon, which are petroleum-based solvents. Perc, as it’s called, is classified as a Toxic Air Containment, and is carefully regulated by the Environmental Protection Agency (EPA), both in how it’s used and how it’s disposed of.