Geranium essential oil, Pelargonium graveolens, is considered to be a woman’s essential oil because of its hormone balancing effect. It has been used to treat menstrual, menopausal, and infertility problems. Geranium essential oil may help relieve mastitis. It is useful in blends to aid wounds and burns. Geranium is a good oil for skin problems such as eczema, psoriasis and shingles. Geranium essential oil is also emotionally balancing. It combines nicely with oils such as bay, orange, rose, bergamot, clary sage, sandalwood, lavender, chamomile, lemon and other oils. Geranium also acts as an insect repellent and can be used in outdoor lotion bars.