Leave on the hair for at least 4 hours. The medication could be left on for up to 12 hours (or overnight). May cover with a shower cap. Rinse hair only with clear water.
What happens if you leave lice treatment on longer than 10 minutes?
Rid claims to be a ten minute treatment and in fact warns not to leave on for any longer than 10 minutes. You then have to do a 2nd treatment 7-10 days after the first one. But that does not take into account the days and hours you will have to spend combing to remove the eggs that Rid does not kill.
Can you leave Nix on longer than 10 minutes?
Nix is safe above 2 months old. Leave the shampoo on for a full 10 minutes. If you don't, it won't kill all the lice. Then rinse the hair well with water and dry it with a towel.Oct 21, 2021
Can you overuse lice treatment?
Parents must be careful not to overuse a prescription drug for treating lice infestations because too much could cause neurological damage, the Food and Drug Administration said yesterday. The drug, lindane, is safe when used as directed, the FDA said.Apr 4, 1996
Can I leave lice treatment overnight?
Leave on the hair for at least 4 hours. The medication could be left on for up to 12 hours (or overnight). May cover with a shower cap. Rinse hair only with clear water.