What is dust made of?
Dust is made of just about everything. Household dust is composed primarily of things like human skin and hair, waxes, pollen, mold, fungi, lichen, tiny particles of wood, paint, fibers from fabrics such as wool, nylon, rayon, acrylic (and in the disco ’70s lots and lots of polyester), foam rubber, sheet rock, plant and vegetable matter, insect parts, and of course every form of pollution such as auto and industrial emissions, heavy hydrocarbon waste from your oil or gas heater, even tiny bits of metal debris from door hinges or any place where metal and friction meet, lots of food waste, and loads of paper fiber…