Answer: D - In order for permethrin (Elimite, Nix) to be effective it is important to following the instructions on the bottle.
For the cream rinse form of the drug, the hair must be washed in shampoo, rinsed, and towel dried. The hair and scalp should be completely saturated and allowed to sit for 10 minutes prior to rinsing.
For the shampoo form of the drug, the hair must be dry. The hair and scalp should be completely saturated and allowed to sit for 10 minutes prior to lathering thoroughly and then rinsing.