Atlantic Aromatics Arnica Oil is a pure oil extracted from the flowers of arnica montana in helianthus annus oil, used for its pain-relieving and health promoting properties. This product is particularly useful for exercise related injuries such as sprains or bruises.. It is not recommended for aromatherapy as it is very potent and could be toxic. Arnica oils antimicrobial and anti-inflammatory properties are often used to aid sprains, bruises and swelling, as well as muscle aches, pulled muscles and spasms. It is also recommended to relieve acne and hair loss. Pure Arnica oil is best used in a diluted form....