According to the FDA:
"Enjoy a safe and happy Halloween by following these guidelines.
Halloween is fast approaching, and you and your kids may be celebrating it a bit differently this year. Whatever form your celebration takes, make sure it includes safe hygiene practices such as covering your mouth and nose with a cloth face covering or mask when around others, maintaining social distance and frequent hand washing. The Centers for Disease Control also have tips for protecting yourself and others.
Whether you’re a ghost or zombie, vampire or witch, poor costume choices—including decorative (colored) contact lenses and flammable costumes—and face paint allergies can cause injuries that haunt you long after Halloween.
Enjoy a safe and happy Halloween by following these guidelines from FDA, the Consumer Product Safety Commission, and the Centers for Disease Control and Prevention:" ...Source Article: Halloween Safety Tips: Costumes, Candy, and Colored Contact Lenses - FDA.gov