I use Doterra Oils on me and in my business in diffusers to help calm the grooming environment. 
15 mL bottle
doTERRA explains Citronella can do this:
Natural pest repellent
Cleans surfaces
Emotionally uplifting and stress reducing
Skin and scalp soother and booster
Some oils are sensitive to humans and pets. Please research the oils you use around your pets.  
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