Bisphenol S (BPS) Added to the Proposition 65 List for Reproductive Toxicity Effective January 3, 2025, the Office of Environmental Health Hazard Assessment (OEHHA) has added the male reproductive toxicity endpoint to the listing of bisphenol S (BPS) on the Proposition 65 list for reproductive toxicity. BPS was first placed on the Proposition 65 list for reproductive toxicity, based on the female reproductive endpoint, on December 29, 2023. Effective December 29, 2023, the Office of Environmental Health Hazard Assessment (OEHHA) has added bisphenol S (BPS) to the Proposition 65 list as a reproductive toxicant (female reproductive endpoint). The warning requirement for significant exposure to BPS for the male reproductive toxicity endpoint will take effect on January 3, 2026. On March 4, 2022, OEHHA started a data call-in process to solicit information on BPS from the public.
