Maldison (Malathion) and Pyrethrins Extract
The can escape the treatment by lodging in an air bubble. Therefore, product needs to be massaged in well in order to overcome this problem.
When the hair becomes wet the insect's reaction is to close down holes in its body surface used for breathing and this can make it more difficult for the product to penetrate. They can close down for around 20 minutes. So for better results apply the product to dry hair and an application time of at least 30 minutes is desirable.
Retreatment after 7-10 days is highly recommended, to kill any nymphs that have survived and hatched after the first treatment.
The safety of maldison or pyrethrins during periods of pregnancy and breast feeding has not been proven. It is recommended that you seek medical advice before using this product. You could try using KP24 Combing solution or KP24 Egg remover with a KP24 metal lice comb as these are gentle products and appear not to have Ingredients that are listed in the ‘Prescribing Medicines in Pregnancy-’ An Australian categorisation of risk of drug use in pregnancy publication put out by the Australian Drug Evaluation Committee. It is still advised that consumers check with their doctor.