Uterine Cancer Study Act of 2025

This bill directs the Department of Health and Human Services to study whether chemical hair straighteners are linked to uterine cancer, with special attention to higher rates among women of color. The study must review past research, look at impacts across all racial and ethnic groups, break results out by product type (like dyes/coloring, bleach, highlights, or perms), and decide if the FDA should require extra safety testing for these products . In this bill, “hair straightener” means a chemical hair straightener .

There are clear timelines: the study plan (methodology) is due within 45 days, the study must begin within 180 days, and a final report is due within two years after the bill becomes law .

• Who is affected: People who use chemical hair straighteners, especially women of color; health agencies like HHS, FDA, and NIH .
• What changes: A federal study will assess cancer risks by product type and consider if stricter FDA testing is needed for manufacturers .
• When: Methodology in 45 days, study starts within 180 days, final report in 2 years after enactment .