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Fusanus Spicatus Kernel (Sandalwood Nut) Oil

Home / Ingredient Glossary / Fusanus Spicatus Kernel (Sandalwood Nut) Oil

known as Saldalwood Nut Oil, Ximenynic Acid, Santalbic acid

source Fisanus Spicatus (sandalwood nuts)

function emollient, anti-inflammatory, soothing

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Fusanus Spicatus Kernel (Sandalwood Nut) Oil

Australian sandalwood nuts are a sustainable byproduct from the fragrance industry. This supercritical CO2 extracted oil is prized for its ximenynic acid content accounting for over 30% of the total fatty acid composition.1 Not to be confused with ximenic acid, ximenynic acid is a rare acetylenic fatty acid that calms the appearance of redness and sensitivity by inhibiting skin reactions before showing effects.2 It also effectively boost microcirculation in the skin to restore visible firmness and vitality.3

Ximenynic acid exists in the seeds of most sandalwood varieties (Santalaceae) and its skin benefits are well studied.4 More recently, ximenynic acid was discovered in abundance in the native Australian variety—Fusanus Spicatus. Australia now accounts for over 60% of the world’s supply of Sandalwood.1 Use of the nut oil incentivizes growers to allow trees to remain in the ground longer and produce their yearly crop of ~300g seeds per tree. Otherwise, trees are harvested at a young age to produce only essential oil.


[1] Down Under Enterprises. (2015). Sandalwood Seed Oil: Australian Sandalwood Seed Oil and Sandalwood Essential Oil.

[2] Cai, F., Li, J., Liu, Y., Zhang, Z., Hettiarachchi, D., & Li, D. (2016). Effect of ximenynic acid on cell cycle arrest and apoptosis and COX-1 in HepG2 cells. Molecular Medicine Reports, 14(6), 5667-5676. doi: 10.3892/mmr.2016.5920

[3] RAKESH, S., DR., D., DR., S., & DR., G. (2019). Ximenynic acid: A versatile lead molecule for drug development. International Journal Of Pharma And Bio Sciences, 10(4). doi: 10.22376/ijpbs.2019.10.4.p93-99

[4] Aitzetmüller, K. (2012). Santalbic acid in the plant kingdom. Plant Systematics And Evolution, 298(9), 1609-1617. doi: 10.1007/s00606-012-0678-5

[5] Eggink, M., Stam, W., Schmid, U., Koenen, C., Rogers, J., Peilow, A., & Bosley, J. (2004). Ximenynic acid compositions, methods for their production and uses thereof. United States.

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