"the chemical that is usually associated with embalming fluid or dissected frogs"

Another good reason to buy used:

"Formaldehyde is commonly found in a broad range of consumer products and can show up in practically every room of the house. The sheets and pillow cases on the bed. The drapes hanging in the living room. The upholstery on the couch. In the bathroom, it can be found in personal care products like shampoos, lotions and eye shadow. It may even be in the baseball cap hanging by the back door."