No. Sorry, there is no home remedy that really works. They help the appearance but none has been shown to help actually "cure" a toenail fungal infection. Sorry.
Yes, but... To cure a nail fungus, see a podiatrist to discuss your medical and surgical options. Home remedies include: vick's vaporub listerine mouthwash tea tree oil they might help the appearance a little, but usually does not cure the infection. On the plus side they are cheap, and will cause no harm. Nail fungus is not contagious to all, but others can be susceptible to infection.