The proposed rule would not apply to alcohol based hand sanitizers, but it will affect those hand soaps and body wash products that have to be used with water.
The FDA is especially concerned about ingredients like triclosan - which is commonly found in liquid soaps and triclocarban - which is an ingredient in bar soaps.
Some data suggests long-term exposure could lead to bacterial resistance or hormonal changes.
Now, the companies making the products will be required to provide the FDA with additional data on their products' safety and effectiveness. That includes the results of clinical studies.