Rubbing Alcohol Fleas. Flea prevention tips for pets. You should add a small amount of dish soap to your mixture if you find eggs or flea larvae.
This toxic chemical is easily absorbed through the skin, and in large enough amounts it's poisonous to pets. This slows down fleas, enabling you to catch them. Alcohol is also really flammable, so it’s not a good idea to spray it on your furniture, bedding, or carpets.