What are the two major commonly used insecticides for the treatment of headlice ?
Q: How can eggs survive the treatment? A: 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. Q: I have left it on for the required time as per your packaging but it still hasn’t worked? A: 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.
