The combination of these oils is most suitable for dry and mature skin types. Peru Balsam oil is also beneficial for such disorders as asthma and bronchitis and is commercially used in cough syrups. The oil comes from a large tropical tree native to central America. Lavender oil is like nature's own medicine chest as it has so many benefits. It stimulates new cell growth, heals acne and insect bites and soothes sunburn. Geranium oil is most suitable for mature and sensitive skin.