Rubbing Alcohol To Kill Fleas. In fact, most disinfectants and some fleas spray at least contain some percentage of alcohol. The answer is a definite yes!
70% works great, and 91% is the fastest but the smell is unbarably strong. However, it’s not a good way to tackle a flea infestation. Experts recommend dropping fleas or ticks into a glass or jar filled with rubbing alcohol.
