Q&A – What is Grapefruit Oil? – Citrus and Allied Essences Ltd. Grapefruit oil, cold-pressed from the peel of Citrus paradisi, is a popular,, citrusy essential oil known for its uplifting, antibacterial, and antioxidant properties. Used in aromatherapy to reduce stress and boost mood, it is also applied topically to treat oily skin, acne, and support hair health. It should be diluted with a carrier oil, is phototoxic (avoid sun after use), and is generally recognized as safe (GRAS).







