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California’s Proposition 65 Short-Form Statement Changes 2025

The Office of Environmental Health Hazard Assessment (OEHHA) has amended Title 27, California Code of Regulations sections 25601, 25602, 25603, and 25607.2, and added new sections 25607.50 through 25607.53. The amendments to California Proposition 65 include updates to the Short-Form warning statement.

The update was approved by The Office of Administrative Law (OAL) on November 26th, 2024, and came into effect January 1st, 2025. A three-year implementation period allows businesses to transition, meaning the current short-form warnings may still be used until January 1, 2028. After this date, the old format will no longer be compliant.

Previously, the long form Proposition 65 warning required the disclosure of at least one listed chemical, while the short-form version, an alternative permitted for use on product labels, did not require naming any specific chemicals. Under the new amendment, the short-form warning must now include the name of at least one chemical for each applicable endpoint (ie. carcinogenicity or reproductive toxicity). The amendment is intended to increase transparency and awareness, providing consumers with more informative product labels.

The revised short-form warnings provide two format options for each type of exposure:

For Exposures to Listed Carcinogens:

For Exposures to Listed Reproductive Toxicants:

For Exposures to Both Listed Carcinogens and Reproductive Toxicants:

  • Risk of cancer from exposure to [name of chemical] and reproductive harm from exposure to [name of chemical]. See www.p65warnings.ca.gov/. OR
  • Can expose you to [name of chemical], a carcinogen, and [name of chemical], a reproductive toxicant. See www.p65warnings.ca.gov/.

For Exposures to a Chemical That is Listed as Both a Carcinogen and a Reproductive Toxicant:

In addition, the amendment introduces flexibility in the signal word required for the Proposition 65 statements. This amendment allows businesses to make clear that the Proposition 65 warning is provided in accordance with California Law. Businesses have the option between three signal words (bolded and in all-caps).

  • WARNING
  • CA WARNING
  • CALIFORNIA WARNING

For more information about the Proposition 65 amendment or assistance updating your product labels, contact Nexreg Compliance today.