A 2023 U.S. Geological Survey study found that at least 45% of the nation’s tap water is estimated to have one or more types of per- and polyfluoroalkyl substances (PFAS). PFAS are used in various products like non-stick cookware and firefighting foams and are known for their persistence in the environment.

Despite marketing claims, major studies show no clear link between UV exposure and melanoma, and outdoor workers may even have lower melanoma rates than those indoors. Meanwhile, most conventional sunscreens contain seed oils that oxidize under heat, hormone-disrupting chemicals like oxybenzone, and titanium dioxide nanoparticles that can reach your brain.