Deterrent substances

There are several substances that deter insects and mites and these can either be sprayed on to the skin and clothes or used as an ointment. The best of them remain effective for about 4 hours. They are mainly for use outdoors and do not really provide a solution to the problem indoors.

The insecticide pyrethrin also acts as a deterrent and can, for example, be sprayed on to shoes and socks if one has to enter a flea-infested house. Pyrethrin is also included in some of the fumigants which may prove very effective in keeping mosquitoes away.