Guaiacum Wood Oil is an extract of the wood of the guaiac tree or Guaiacum officinale. It is commonly known as roughbark lignum-vitae or guaiacwood. Guaiacum wood is native to the Caribbean and the northern coast of South America. Guaiacwood has been used in traditional medicine, its resin is believed to have anti-inflammatory properties and is used for rheumatism, arthritis, gout and pain relieving. It is also valued when it is made into a wash or skin conditioning ingredient.