AN ECTOPARASITICIDAL COMPOSITION IS PROVIDED THAT COMPRISES A MIXTURE OF A CARRIER AND AN ACTIVE WITH AN EMULSIFYING AGENT. THE CARRIER COMPRISES NON-VOLATILE LOW VISCOSITY SILOXANE AND THE ACTIVE COMPRISES A NON-VOLATILE HIGH VISCOSITY SILOXANE. THE LOW VISCOSITY SILOXANE AND THE HIGH VISCOSITY SILOXANE BOTH HAVE A CLOSED CUP FLASH POINT OF AT LEAST 100°C (212ºF). PREFERABLY, BOTH THE LOW VISCOSITY SILOXANE AND THE HIGH VISCOSITY SILOXANE COMPRISE A DIMETICONE OR A DIMETICONOL OR A MIXTURE OF SAME, THE THE LOW VISCOSITY SILOXANE HAVING A VISCOSITY IN THE RANGE OF 5 TO 1000 CENTISTOKES INCLUSIVE AND THE HIGH VISCOSITY SILOXANE HAVING A VISCOSITY OF AT LEAST 1000 CENTISTOKES.
