Some tattoo inks contain unlabeled materials that can cause allergic reactions.

Most people don’t know what these labels really mean − and advertisers take advantage of that fact.

Finding cosmetics that are free of hormone- disrupting chemicals often means paying more. An epidemiologist explains the risk, particularly for young women.

Black and Hispanic hairdressers are exposed to a mixture of chemicals, many of them potentially hazardous and undisclosed on labels.

People with skin allergies shouldn't assume that "natural" skin products will spare them pain and itchiness.

Research on cancer drugs shifted course to produce a longer-lasting version of avobenzone, a common ingredient in sunscreen.

New research links the use of hair products, like hair dyes, relaxers, and mousses, to levels of hormones during pregnancy.

Palm oil is responsible for widespread deforestation and labor abuses, but it's also cheap and incredibly useful. That's why many advocates call for reforming the industry, not replacing it.