This means that outlets such as Spirit Halloween and Halloween Express have been delivering costumes that violate the minimum amount of acceptable toxins in the state of California, leaving some whistleblowers in a frenzy. As representatives from the Center for Environmental Health have pointed out, even the smallest amount of lead exposure can be extremely dangerous for human health, especially to children, and can lead to a myriad of side effects and health complications.

Regular exposure to lead has been linked to increased chances of nervous system damage, intellectual disabilities, kidney and liver problems, and even brain damage. Cadmium and BPA are also known to be dangerous in large quantities and can lead to infertility, breast cancer, and behavioral disorders.