The answer, for many supermarket shampoos, is the inclusion of chemical foaming agents like sodium lauryl sulfate ... don’t mix. Now you're ready to dive into just how bad they are.

SLS-free toothpaste has become increasingly common on our supermarket shelves; but what is it, and should you be using it? SLS-free Toothpaste is free from a chemical called Sodium Lauryl Sulfate ...

Sulfates are essentially cleansing agents often found in household detergents and personal care products, the most popular of which are sodium lauryl sulfate ... As you wash your hair, sulfates ...