Apple Cider vinegar is great for so many things- but not for head lice. Apple cider vinegar can be used for multiple things, including acne! With head lice, the vinegar does virtually nothing as far as killing or treating the infestation. Instead, it makes your hair reak of vinegar for at least a week! Yuck! Check out all the uses for apple cider vinegar, but remember: Apple cider vinegar does NOT treat head lice. There are many natural products you can use for head lice removal and treatment.