Although pine oil can cause allergic reactions, it is very useful to relieve mental, physical, while having a cleansing and clearing effect on a room. Even though it can be used in cystitis, hepatitis and prostate problems, as well as to improve circulation and to relieve rheumatism, gout, sciatica and arthritis, it should be done so with care due to the sensitizing nature of this oil. Oil properties Pine oil has a fresh forest smell, is pale yellow in color and watery in viscosity.