Arnica oil is becoming popular for its pain-relieving and health-promoting properties. Arnica oil is found to have antimicrobial and anti-inflammatory properties, and may be helpful for treating or relieving Muscle aches, spasms, pulled muscles, or rheumatic pain. Sprains, bruises, and swelling due to fractures. Insect bites and acne. It's a wonderful addition to your alternative first aid kit, especially if you're prone to exercise-related injuries, such as bruises or sprains. It is well-known for its use in natural medicine and is recognizable through its flowers, which have yellow petals and an orange center.