Biokleen Soy Toilet Scrub is gentle while the acid-free formula effectively cleans, and deodorizes tough stains and odors. Made with Soybean Oil Extract, Natural Volcanic Perlite, and Grapefruit Seed Extract, Biokleen Soy Toilet Scrub provides for a natural, non-toxic, and effective alternative. • Free of Acids and Caustics • No harsh fumes – gentle to skin • 99% VOC Free • Effectively cleans and deodorizes