Are there any websites where you can check the cancer factor for products such as shampoo?

Who to trust?: It takes only a little time to make up ugly lies, and the task of refuting them is generally thankless. People want to believe even the most obvious untruths, and there's big money to be made in offering products to protect good people from nonexistent dangers. There's no such thing as a "cancer factor", but here's my work on shampoos: http://www.Pathguy.Com/sls.Htm.