1. Select by appearance labeling: There are international requirements for the appearance labeling of essential oils. Product labels usually need to include: the common name of the plant variety (which can be the language used in the country of production and sales), the scientific name of the plant variety (must be in Latin), the extraction part, the extraction method, the place of production, the purity, the volume, etc. The packaging usually uses dark and light-proof glass bottles.

2. Select by familiar tastes: some varieties that we can touch every day can help us judge the overall quality of the brand from one aspect. Even the same variety of essential oils, due to the different origins, extraction methods, and seasons and years. There are different odors, but the unique aroma of this variety of essential oils will still be retained.

3. Alcohol test method selection: most essential oils will be completely dissolved in alcohol, and if mixed with vegetable oil or mineral oil, there will be stratification-that is, vegetable oil or mineral oil floats on the surface of the alcohol, while the essential oil part is Dissolved in alcohol. But for essential oils whose blends are volatile substances, there is no inspection effect.

4. Select by skin reaction: the purer the essential oil, the stronger the penetration. When buying essential oils, you can gently rub the diluted essential oils on the back of your hands or the inner wrists for a skin test, and then massage them with your fingertips. Good quality essential oils will be absorbed instantly and will not leave shiny oils on the skin. Element.

5. Select by essential oil chromatogram: Essential oil chromatogram is a scientific method used to analyze the molecular structure of essential oils. SGS agency inspects the quality of essential oils through essential oil chromatograms. The application of essential oil chromatogram is mainly reflected in the identification of essential oil quality. The results of chromatographic analysis are just like the DNA data of essential oils-through these data, the content of each essential oil component can be clearly obtained, and the quality of the essential oil can be judged scientifically and effectively.