Will Alchol Kill Fleas. The isopropyl alcohol dissolves slowly in the water, which can also contain denaturants and perfume oils, and kills the fleas by penetrating their shells. Experts recommend dropping fleas or ticks into a glass or jar filled with rubbing alcohol.
Can rubbing alcohol kill fleas? The isopropyl alcohol dissolves slowly in the water, which can also contain denaturants and perfume oils, and kills the fleas by penetrating their shells. The answer is a definite yes!