In recent years, research has demonstrated synthetic based insecticides and repellents can be toxic to humans and the environment. People are turning to natural ways to deter pests. Many essential oils such as citronella, geranium, eucalyptus, peppermint, chaste, and lemongrass have shown action against a variety of biting bugs and garden pests with far less toxic effects. Blend peppermint together with these herbs to make insect repelling recipes.
Here are a few repelling recipes:
Below is some research on peppermint as an insect repellent: