Tyrrell's Hygienic Institute

Tyrrell's Hygienic Institute, Inc. was a publisher and supplier of hygiene products based in New York. Established in 1894 by Charles Alfred Tyrrell, it engaged in regular nation-wide advertising campaigns in U.S. newspapers, promoting products like the J.B.L. Cascade, a specialty enema kit, as curatives for a variety of afflictions attributed to colonic uncleanliness.