What testing does Beachwood Essentials do to ensure the quality of their oils?

Beachwood Essentials oils are all top-quality, 100% pure oils extracted directly from each plant. They are unaltered and have no synthetics or other potentially harmful ingredients added. We know this because they meet rigorous quality standards performed through the following tests:
·         GCMS (Gas Chromatography/Mass Spectrometry)
·         Organoleptic testing
·         Optical rotation and refractive index testing
·         Specific gravity testing**