What is Certified Pure Therapeutic Grade?

Here’s a great introductory video that explains doTERRA’s CPTG testing protocol, which includes the following tests:

  • Organoleptic testing
  • Microbial testing
  • Gas chromatography
  • Mass spectrometry
  • Fourier Transform Infrared spectroscopy (FTIR)
  • Chirality testing
  • Isotopic analysis
  • Heavy metal testing

doTERRA has set the benchmark for quality testing in the essential oil industry, giving their customers confidence in the purity, potency, and consistency of their oils batch to batch.

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