The list includes naturally occurring and man-made chemicals. There are over 800 chemicals on the Proposition 65 list, which is administered by California's Office of Environmental Health Hazard Assessment (OEHHA), a part of the California Environmental Protection Agency. Businesses are required to provide warnings to comply with Proposition 65.
Proposition 65 is not a product safety law, but rather a 'right-to-know' law. Proposition 65’s warning standards are among the most stringent in the world.
Proposition 65 requires warnings if a product contains any listed chemical present above very low levels. Proposition 65 is a California law that applies to companies selling products in California.
