HOUSEHOLD TOILETRIES SUPER Weight: They were widely used to repel moths and cockroaches and as deodorants for urinals and bathrooms. SUPER NAPHTHALENE BALLS SMALL 3IN1 is the most commonly used chemical in the world. The benefits of using it are innumerable: its antimicrobial, anti-inflammatory, and can kill harmful bacteria and fungi. Naphthalene is often used as a precursor to other chemicals. It has a sweet smell and is soluble in many solvents. it is used to kill moths and other fiber insects to protect clothing. To do so properly, place mothballs inside tightly closed containers along with the clothing or materials. The vapors will remain inside the container and kill the moths.