What I Use for Prevention 1/2 tsp Dr. Bronner’s Peppermint Soap1 tsp 100% Cold Pressed Neem Oil16 oz warm water Neem Oil: https://amzn.to/3pysPoZSoap: https://amzn.to/3ovjtv4Spray I Use for Active Infestations:https://amzn.to/3oGc7Ff