| Others are synthetic versions of naturally-occurring insecticides, such as those found in the plant pyrethrum. |
| It seems probable that in the future, synthetic pyrethroids will be of more interest than pyrethrum as possible delousing agents. |
| You can treat them with pyrethrum, white oil, soapy water or just squash them with your fingers. |
| Daisy plants were first used centuries ago as a lice remedy in the Middle East, and this led to the discovery of pyrethrum insecticides. |
| The spray does not control the adults, so you can either handpick the adults or spray them with pyrethrum insecticide. |
| For body lice, use pyrethrum with piperonyl butoxide lotion over the whole body and wash off after 10 minutes. |
