Geranium Oil Worst Fragrance Synthetic and Natural No known benefits Geranium Oil description Geranium oil (also known as _Maculatum geranium_ oil) offers some beneficial properties but also can be a skin sensitizer due to its volatile fragrance ingredients. Geranium extract on the other hand is a very good antioxidant for skin, and the parts extracted are usually not fragrant, thus presenting minimal risk of sensitivity. Related ingredients: Geranium Pretense