Which of the following is NOT considered a volatile solvent inhalant?

Hairspray is not classified as a volatile solvent inhalant because it typically contains a variety of polymers, alcohols, and propellants, rather than the volatile organic solvents that are found in the other options. Volatile solvents are generally substances that evaporate easily at room temperature and can produce harmful effects when inhaled for recreational purposes.

Model airplane glue, nail polish, and gasoline all contain significant amounts of organic solvents that can easily vaporize and create inhalant fumes, leading to potential abuse. These substances are known for their intoxicating effects when inhaled, which is a characteristic of volatile solvent inhalants.

Understanding the components of these products clarifies why hairspray stands apart from the other options in the list.