Add the simple pleasures of aromatherapy to your everyday life with our unparalleled selection of essential oils and ready-to-use skin care products — formulated from 100% pure essential oils, to provide true aromatherapy benefits for the mind, body, and spirit.

aromatherapy 101

Essential Oil Quality

Every Aura Cacia essential oil must pass a battery of tests to ensure its authenticity, quality and purity. We perform four major tests in the scientific analysis on every essential oil:

Gas chromatography/mass spectrometry (GCMS)

Gas chromatography separates the individual constituents of an essential oil and measures the amount of each constituent present. It confirms an oil's botanical identity by comparing presence & amount of each constituent. GC can screen for non-natural or missing constituents, or constituents occurring in unnaturally high ratios, signifying adulteration. With the addition of mass spectrometry capabilities in 2007, Aura Cacia testing capabilities have reached a new high. MS specifically identifies the constituents in essential oils by name and pinpoints the adulterants that are commonly used.

Specific Gravity

Measures the weight of an essential oil at 25 degrees C. Every oil is made up of a unique constituents. At a given temperature, these constituents have a predictable weight. If an oil has been adulterated, the weight may be thrown off.

Optical Rotation

Measures direction, left or right, and the degree to which light rays bend or rotate as they pass through an essential oil. Every oil is made up of unique constituents, which predictably influence the direction and degree to which light rays bend as they pass through the oil. If an oil has been adulterated, the degree of rotation may be thrown off.

Refractive Index

Measures the speed at which light passing through an essential oil is refracted. Every oil is made up of unique constituents. These constituents predictably influence the speed and number of degrees at which they refract light. If an oil has been adulterated, the speed and degree of refraction may be thrown off.

 

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