This legislation, titled the "Uterine Cancer Study Act of 2025," mandates the Secretary of Health and Human Services to undertake a comprehensive study. This study, conducted in coordination with the Commissioner of Food and Drugs and the Director of the National Institutes of Health, will investigate the potential link between chemical hair straighteners and uterine cancer . A key focus of the research is to understand the increased incidence of this cancer among women of color . The study is required to review existing findings, consider impacts across all racial and ethnic backgrounds, and disaggregate results based on whether hair straighteners contain dyes, bleach, highlights, or perms. A crucial objective is to determine if the Food and Drug Administration should implement additional testing requirements for manufacturers of these products to ensure their safety. The Secretary must submit a methodology description within 45 days, commence the study within 180 days, and provide a full report on the findings within two years of the bill's enactment.