The Story Behind 's New Clean Best of Beauty Seal
The word "clean" has never been so, well, murky. When it's applied to the serums and shampoos that we use every day, it can mean very different things to different people (and different brands and different retailers). That's why we took it upon ourselves to analyze the research, talk to experts on all sides (toxicologists, dermatologists, chemists), and determine which ingredients we think a "clean" beauty product should not contain. There are those that could pose health risks (phthalates, for
