How do I know I'm buying quality essential oils?

The quality of essential oils can vary from season to season and company to company. The best way to select quality is to:

Over time you will learn to understand the importance of this in regards to establishing the quality of your essential oils. By routinely smelling essential oils you will quickly learn to detect the quality essential oils from the low grade essentials oils. All companies will say that their product is the best; only by smelling them will you know. The higher the quality of essential oil the less you will need to use.