Friday, November 12, 2010

The Medicinal Gift Of Sandalwood Essential Oil

By Ruby Carpenter

Sandalwood is one of the most treasured aromatics by aromatherapy practitioners, and perhaps one of the most treasured by human civilization as well. Recorded use of the wood and its products date back over four millennium, more than any other aromatic plant. Yet while most practitioners make use of the oil for its unequaled scent, few are aware of some of its important science-proven medicinal effects.

First just a little background -- sandalwood essential oil is steam distilled from the heartwood of the sandalwood tree. Sounds pretty straightforward, until you learn that sandalwood is actually a parasite; it grows only on certain other trees in tropical environments. One cannot simply put a sandalwood seedling in the grown and coax it to grow, it has to be planted next to the right host tree, already of a certain age, for it to climb up. When harvesting the wood, which is very slow to grow, both trees need to be cut down. Clearly this presents challenges for this important resource.

The harvesting of the wood in India, where the finest specimens are considered to be from, has been halted by the government in order to protect the tropical rainforests. Elsewhere in the world, harvesting is regulated to ensure the demise of the rainforests in India does not happen again for this purpose. In only a very few locales has viable cultivated (human-planted) sandalwood begun to produce essential oil in commercial quantities.

Obviously there must be something to this oil for it to be so prized! While the oil and the wood have been closely tied to spiritual practices for thousands of years, research laboratories are only just now uncovering some profound medicinal properties. A paste made of the wood has historically been used as medicine for the skin, and now it's been discovered the essential oil alone can actually prevent the formation of skin cancers. When skin is pre-treated with the oil, then exposed to potentially damaging quantities of ultra-violet radiation, the formation of cancerous tumors is significantly reduced.

Researchers at South Dakota State University, Department of Pharmaceutical Sciences, noted "alpha-santalol, a major component of sandalwood oil, is effective in preventing skin cancer in...UVB-induced skin cancer development." Researchers at the University of Colorado, Denver, noted that the oil caused apoptosis (normal cell death) of cells that were on their way to becoming cancerous. Clearly the essential oil makes an important therapeutic contribution to skin care formulations for those spending a lot of time in the sun.

Aside from its therapeutic effects from topical application, the oil's aroma deeply affects our psyche. The rich, elegant scent has been shown to be both stimulating and calming at the same time. The result is a sense of clarity and awareness. Subjects being researched reported the effects of the whole sandalwood oil, and that of "alpha-santalol". It was found that the individual constituent was stimulating to alertness and mood, though only the whole oil also resulted in greater relaxation and vigor. This very interesting mix of effects on the mind, which correlate well with the oil's use as a meditation aid. A drop or two on the wrists, temples, or forehead is a great way to enjoy the aroma for this purpose.

While the aroma is stimulating in certain ways, calming in others, and never considered "sedating", it has been shown in research to significantly improve sleep for those who may frequently have trouble falling or staying asleep. Sleep-disturbed subjects spent much less time awake, and much more time in dream-sleep when exposed to the oil's vapor. However, researchers also concluded that the effect was not from the actual scent of the oil, but from action of the oil once in the bloodstream. If using sandalwood for sleep, it's not necessary to smell it -- the feet tend to be an area of the body very receptive to the actions of essential oils, and a gentle foot massage with a dilute sandalwood oil formula may help those who are having sleep difficulties.

This is just a brief look at some wonderful therapeutic actions available using sandalwood. Its skin care properties go far beyond sun protection; these include care for dry skin, mature skin and acne-prone skin as well. The oil is very safe, and well-tolerated by nearly everyone. When you find yourself looking for a source of sandalwood, you'll find several varieties available. Research has shown them to be fairly equivalent in many respects therapeutically -- for skin care, the lower-cost Australian is an excellent choice. For aromatic uses, find one that you enjoy the most! And know that a little goes a long way -- start with a small amount, and enjoy its subtle, uplifting nature.

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