Before talking about essential oil containers and glass bottles, first talk about the level of essential oil classified according to use.


The first level, edible grade essential oil, which is also the most strictly controlled essential oil, is also the first level of aromatherapy we usually mention, especially in Europe, the European Union law has heavy metals including arsenic, lead, cadmium, mercury content restriction management, in addition to pesticide residues is also the scope of control, because the test cost is high, non-edible grade generally will not be used


The second level, medicinal grade essential oils, many countries in Europe have pharmacopoeia, codex to manage this kind of essential oils


Third grade, cosmetic grade essential oil


Level four, essential oils used in the perfume industry


Grade Five, essential oils for industrial use


Containers for edible essential oils can be divided according to material Containers for edible essential oils can be divided according to material


1, glass, the use of the third type of medicinal sodium-calcium glass (soda ash - calcium glass) or colored light-blocking glass, usually purchased refined oil bottles up to this standard, depending on whether the manufacturer supplies medicinal glass containers.