Traditional commercial carpet-cleaning solutions contain a cocktail of noxious synthetic chemicals. One, perchloroethylene, commonly called “perc” in the industry, is a notorious dry cleaning additive known to cause dizziness, fatigue and nausea if ingested or inhaled. The U.S. Centers for Disease Control and Prevention (CDC) also links perc to kidney and liver damage. Another chemical, naphthalene, a solvent manufactured from coal tar, is considered toxic to the human centra