Holy basil is as the name suggests one of the most sacred and revered plants of India. The essential oil is used mainly to purify the mind, but it is also an excellent mosquito repellent but the useful length of protection is only about two hours. This oil is high in eugenol and can be irritating to the skin. Dilute in a carrier oil and test carefully before applying externally. It can then be used for peripheral neuropathy and relief of mild aches and pains. It is quite effective against skin infections and acne. It is also immune enhancing and antifungal.