Our peppermint pet mite spray contains bioenzyme, 100 parts. It kills fleas, flea larvae, flea ticks. The way to use it is very simple: Step 1, shake up. Step 2: Lightly spray your pet's entire coat until wet, but not dripping. Step 3 Let the coat dry completely before all indebted pets groom themselves or each other. And it kills and repels mosquitoes.