If Dawn is effective and gentle enough for wildlife, you may be wondering if it can kill those pesky fleas on your cat or dog, too. While Dawn dish soap can kill fleas, it's not the most effective or efficient method, and it won't prevent flea infestations.

How long does it take for Dawn to kill fleas?

Allow about 5 minutes for the dish soap to completely kill the fleas before you begin rinsing. Use a cup of water or a handheld shower head to wash the soap off.

Does dawn kill flea eggs?

Can Dawn Kill Flea Eggs? Dawn can potentially kill flea eggs, but they won't prevent them. If your pet has any flea eggs on them, they will easily be washed off and rinsed down the drain because flea eggs are entirely smooth and don't stick to the skin or fur very well.