*Developed by and for people with allergies, asthma and chemical sensitivities. *Made with naturally occurring renewable resources and containing no petrochemicals or added dyes and fragrances, Carpet Cleaner is safe for use in closed environments and does not compromise indoor air quality. *This free-rinsing formulation leaves behind no residue to irritate sensitive skin and lungs. *Our low-foaming formulation is not high in caustic pH. Diluted correctly, the pH is 7.5 - 8.5.