It's an acid and certainly if you clean your fingernails with lemon, you'll you soon see how strong an acid it is, and the tissues in the body, there's certainly the potential for irritation. It's just a very severe approach," Dr Raff said. "
Lemons used on nails ONLY bleach the white part. I used to use it on my nails when I smoked or wore alot of nail polish which yellows your nails. I wouldn't say it is the ideal cleaner. As for HIV, I have my doubts on it killing the virus.