It is safe to use other hair products immediately following the use of RID Lice Killing Shampoo. RID does not leave an active residual chemical on the hair.
RID Lice Killing Shampoo is thought to be an effective treatment for removing head lice when all product directions are followed. The head of hair should be free of lice the day following the final product application. The entire process takes seven to 10 days. Re-infestation may be prevented by cleaning any objects that come into contact with the hair of the infected person. These objects may include pillows, bed linens, clothing, towels, hats, play mats and combs.