Balsam of Peru essential oil is distilled from Balsam of Peru, a resinous substance secreted from a tree in Central and South America. It is used in aromatherapy and in treating wounds. It is a prominent antiseptic and a strong anti-inflammatory agent. However, it is also one of the most allergic substances on the planet. Therefore, this essential oil is not for everyone.Â This resin is oily and smells like a mixture of clove, cinnamon and vanilla. This is a unique aromatic combination of sweet and spicy. This balsam is used in many products like flavorings for foods and in cosmetic products. Balsam of Peru also has some medicinal uses. Balsam of Peru and its essential oil have a major issue of allergy. This resin is one of the most allergic substances in nature. It has been classified among the top five allergens to be found in allergy patch test. This shows that many people who are vulnerable to allergies can be susceptible to this ingredient. An allergic reaction to Peru Balsam essential oil usually shows up as contact dermatitis. However, it can lead to severe inflammation of the lips, mouth or tongue. Blisters may pop up and they may be quite painful. It can lead to rhinitis with symptoms like runny nose, watery eyes and even hives. Therefore, one should always perform a patch test before using Balsam Peru essential oil. There is not much information on the safe dosage and interactions of this essential oil.