Question: what essential oils are insect repellent?
Answer: Lemon eucalyptus oil. Used since the 1940s, lemon eucalyptus oil is one of the more well-known natural repellents. ... 
Lavender. ... 
Cinnamon oil. ... 
Thyme oil. ... 
Greek catnip oil. ... 
Soybean oil. ... 
Citronella. ... 
Tea tree oil.