Here Jamie is showing us how she makes Arnica oil. Not sure what Arnica Oil is and what it is used for. Well, Arnica Oil is an herbal oil extract that is used topically for bruises, swellings, joint pain, inflammation, and sore muscles. It is excellent for relieving the itching and swelling of insect bites. You can reach out to us and try some yourself, as we will have some Arnica oil available for sale right now.