Inhaling rosemary oil may help reduce test anxiety.

Rosemary oil may help reduce tissue inflammation that can lead to swelling, pain, and stiffness.

Rosemary oil may promote healthy scalp function, stop hair loss, and promote hair growth. You can apply a few drops of rosemary oil to your scalp after combining it with a carrier oil like coconut or olive oil. When diluting rosemary oil, you can aim for a safe 2% concentration, which is about two drops of rosemary oil to 98 drops of carrier oil.

Rosemary oil’s antibacterial and antifungal properties can help relieve skin irritations, lower inflammation, and cure acne.

The aroma of rosemary oil has been linked to enhanced memory, attentiveness, and cognitive function. You can use diluted rosemary oil on your temples to renew your mental energy.