Incandescent light bulbs are standard bulbs that use glowing filaments that act as heaters to produce light. Only about 10% of the energy released is in the form of visible light, and the rest is used to produce heat.
An ionizer is a device that emits negatively charged ions. They are often used as air purifiers.
Isopropyl alcohol is an antibacterial solvent liquid. It is also used as a denaturant in many cosmetic products - a poison, added to make the product make it unfit for drinking. It has no known toxicity to the skin. Isopropyl alcohol is made from propylene, which is obtained from petroleum.