Extraction method: steam distillation. Plant part: leaves. Sage oil or salvia officinalis as it is known in botanical name, is a very well-known and frequently heard name in the world of cosmetics, particularly in the field of skin care. Innumerable beauty treatment products claim that they contain the oil of sage, which is actually sage essential oil. Blending: sage oil blends well with the essential oil of clary sage, geranium orange, lavender, rosemary, tea tree and ginger. A few words of caution: being a nervous stimulant, those with epilepsy, hysteria or a history of either, should avoid using it. Furthermore, since it contains camphor and camphene, which are toxic in nature, it should be avoided during pregnancy. Inhabitation in the form of aromatherapy is safe in certain situations, but it is always better to speak with an herbalist or an aroma therapist before embarking on this sort of alternative treatment. Also, due to high concentration of chemicals in these oils, undiluted oils can bet very powerful and dangerous when your skin is directly exposed to it.