Skin cancer is a big problem. Sunscreen can help protect your skin. All this is very well known. It turns out, though, that the active ingredients in sunscreen can get into peoples’ bloodstreams in pretty high concentrations. And the effects of sunscreen on the environment isn’t well studied. While sunscreen probably is safe for human use, and might be bad for the environment, we should still look closely at the products we’re using to protect ourselves.
This episode was adapted from a column I wrote for The Upshot. Links to sources can be found there.
