Lyclear Creme Rinse is used to treat head lice infestations. It contains permethrin, which kills both lice and their eggs by attacking their nervous system. The rinse is applied to shampooed, towel-dried hair, left for a set period, and then rinsed out.

A fine-toothed comb is recommended to remove dead lice and eggs. A second treatment may be required after seven days to ensure complete clearance.