When diffused, Geranium oil can alleviate emotional stress which may accompany fluctuating hormones and menstrual problems. The most effective use of geranium oil in aromatherapy is the influence that it has on our psyche. Geranium oil conveys a feeling of calm, strength and security which is beneficial for both chronic and acute anxiety. The oil also can be helpful for bracing emotional instability and moodiness/mood swings.
Geranium oil has been found to have effective antifungal and antimicrobial activity.
Contains geranyl formate and citronella  which have anti fungal properties and Geraniol which is anti bacterial and an antiseptic.
Geranium oil is slightly astringent which makes it an affective property in skin care to open and clean pores leaving a radiant glow.
The chemical profile of Geranium oil consists of 30 compounds.
Chemical composition will vary due to environmental conditions and geography.
A typical chemical composition includes:
linalool - 10.26 to 13.64%
geranoil - 14.36 to 17.43%
citronellol – 20.89 to 27.74%
Geranium oil is non-toxic, non-irritant and non-sensitising however can cause dermatitis in hypersensitive individuals.