Odormute was invented by Ken and June Etter of Ryter Corporation, Inc., pioneers in the production of bacteria and enzyme products since 1957. The purpose today, as was theirs then, is to continue to produce the highest quality natural solutions to everyday problems. These products are a result of years of research, experimentation, and development. All Hueter Toledo, Inc. products are harmless to humans, pets and plant life. They are non-caustic and non-poisonous.