As H&G's resident sleep writer, I'm often asked: 'is it okay for a mattress to have fiberglass?' My answer is more complicated than a straightforward 'yes' or 'no'. Commonly used as a fire retardant, fiberglass threads can't hurt you from inside your mattress, but they can break down and become airborne, irritating your airways and scratching your skin.
You can't tell whether your mattress contains fiberglass just by looking at it. Unless you scour the specifications or double-check the care tag, you might not notice any reference to fiberglass in your mattress.
