Neem Oil

Advantages & Applications: Neem is effective against dermatological insects such as maggots and head lice.
Smallpox, chicken pox and warts can be treated with a paste of neem leaves usually rubbed directly on the infected skin.
Neem preparations are reportedly efficacious against a variety of skin diseases, septic sores, and infected burns.
Neem is widely used for treating fevers. It has anti-pyretic (fever-reducing) property.