Johnson’s House Flea Spray Extra Guard not only kills adult fleas and other insects. It also contains IGR (Insect Growth Regulator) which prevents eggs and larvae from developing into fleas. It will also kill ants, cockroaches, ticks, spiders and beetles. Johnson’s House Flea Spray Extra Guard can be used to protect carpets, rugs, soft furnishings, pet bedding plus hard porous and non-porous surfaces in kitchens and other rooms for up to six months. Regular use of Johnson’s House Flea Spray Extra Guard helps deal with 95% of the flea life cycle, which takes place in furnishings etc. where eggs, larvae and pupae develop. Do not use directly on animals.