Làm ướt tóc hoàn toàn bằng Listerine. Gội đầu bằng nước ấm và giấm. Vệ sinh khu vực làm việc và vật dụng.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Listerine or a similar mouthwash contains a high percentage of alcohol that will kill live lice and dissolve the nits’ binding to the hair follicle. While some “natural remedy” websites suggest it, be warned that other medical websites do not recommend its use. For one thing, Listerine’s alcohol content can burn the eyes and sting if it comes into contact with open wounds. It could also be accidentally consumed by a child.  If you decide to use Listerine, use it to wet the hair completely and co