Citronella essential oil has many benefits. It can be used as an insect repellent, antifungal agent to treat parasitic infections, treat several skin conditions including eczema and dermatitis, contain antioxidants that can put the breaks on skin aging, treat fungal infections and help to expedite wound healing
 
Here are some other benefits of Citronella essential oil:
Helps mask human scents that often attract insects
Simply good for your overall appearance and can help block UV rays