Cymbopogon winterianus
Citronella is a natural insect repellent with antifungal and antibacterial properties. It can also can address acne by reducing oil. Due to potential skin sensitivity, it is often prefered to dilute it with a carrier oil like jojoba or rosehip before topical use.
Diffusing citronella can relieve respiratory congestion, elevate mood, and promote mental clarity. Historically, it's been used for energetic and emotional protection, and to purify spaces by clearing negative energy.