California's Proposition 65 requires businesses to provide warnings to Californians about exposures to chemicals that can cause cancer, birth defects or other reproductive harm. Lead is widely found in nature and due to the botanical ingredients found in the product, trace amounts of lead have been absorbed from the soil.
https://www.p65warnings.ca.gov/fact-sheets/lead-and-lead-compounds
We test all of our products for heavy metals and reject any product that exceeds the USP limits for heavy metals.