"Animal models were used to show reduced skeletal and cardiac muscle contractions after exposure to triclosan a chemical commonly found in hand soaps (among other household products) has been found to be harmful to both humans and the environment. The chemical is called triclosan, and it's a chemical that can be found in hand soaps, toothpastes, mouthwash, deodorants, clothes, bedding, carpets, toys, etc. It was introduced 40 years ago to prevent bacterial infections in hospitals. Over time, it has been used more and more for household purposes..."