This website provides information about Proposition 65 warnings for exposure to listed chemicals from consumer products, and in places like parking garages. It also includes scientific and other information about these chemicals.
Proposition 65 requires businesses to provide warnings to Californians about significant exposures to chemicals that cause cancer , birth defects or other reproductive harm. These chemicals can be in the products that Californians purchase, in their homes or workplaces, or that are released into the environment. By requiring that this information be provided, Proposition 65 enables Californians to make informed decisions about their exposures to these chemicals.
Frequently Asked Questions
Learn more about Proposition 65 including what it is, what chemicals are on the list, and how enforcement is handled.
How Chemicals are Added to the Proposition 65 List
Learn about the four ways chemicals are added to the Proposition 65 list.
Informing Californians’ Choices and Reducing Chemical Exposures
Find out how Proposition 65 enables Californians to make informed choices about their exposures to listed chemicals.
Laws and Regulations
Read about the Proposition 65 laws and regulations.
