Johnsen's 4645 - Engine Degreaser - 10 Ounce - Johnsen's 4645.A Premium, Foaming, Water-Based Degreaser Which Is Self Emulsifying.Two Active Ingredients Mix With Both Oil And Water.When Sprayed On And Washed Off, The Water Actually Pulls Oil And Grease Off The Surface Of The Engine.VOC Compliant.Prop 65 Warning: ??WARNING: Cancer and reproductive harm. — www.P65Warnings.ca.gov.Containes Aerosol: Yes.Containes Chemical: Yes.Country of Origin: United States - US.