Proposition 65 (Prop 65) is a California law proposed initially as the Safe Water and Toxic Enforcement Act and approved by voters in 1986. The law was intended to address public concerns in the 1980s when residents started learning more about chemicals and compounds in the environment. This law became commonly known as Prop 65.
California Proposition 65 Warning
⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.go
For a good Blog Post See https://www.foodinsight.org/what-is-prop-65-california