Oil of guaiac

Oil of guaiac is a fragrance used in soap. It comes from the palo santo tree (Bulnesia sarmientoi).

Related Topics:
Fragrance - Soap - Palo santo

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Oil of guaiac is produced through steam distillation of a mixture of wood and sawdust from palo santo. It is sometimes incorrectly called guaiac wood concrete. It is a yellow to greenish yellow semi-solid mass which melts around 40-50º C. Once melted, it can be cooled back to room temperature yet remain liquid for a long time. Oil of Guaiac has a soft roselike odor, similar to the odor of tea-roses or violets. Because of this similarity, it has sometimes been used as an adulterant for rose oil.

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Oil of Guaiac is primarily composed of 42-72% guaiol, bulnesol, d-bulnesene, b-bulnesene, a-guaiene, guaioxide and b-patchoulene. It is considered nonirritating, nonsensitizing, and non phototoxic to human skin (D.L.J. Opdyke, 1974, Food Cosmet. Toxicol., 12 (Suppl.), 905).

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