Castor oil has been used as a natural insect repellent as far back as Greek antiquity. To take advantage of castor oil's natural insect-repelling properties, mix it with another essential oil such as Hazel nut oil. Pour the mixture into a spray bottle and apply it to the areas you wish to protect from pests.

Castor oil is a natural, non-toxic way to repel those unwanted insects. Additionally, using castor oil as pest control is non-toxic and safe around children and pets.

When applying castor oil to your eyelashes, be very careful that it doesn't get into your eye. In the event that it does, flush your eye with water. Castor oil is generally regarded as safe. However, some people may have an allergic reaction to castor oil.” test a small area to begin with.