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WHAT MAKES ESSENTIAL OILS GO BAD...
Oxygen that gets into your bottle and reacts with some of the constituents is called oxidation. This oxidation can affect the therapeutic properties of the essential oil, as well as render it more prone to cause adverse reactions, like sensitization.
Heat causes the more volatile constituents to evaporate more quickly. CO2 extracts are more prone to damage from heat than steam-distilled essential oils.
Ultraviolet light promotes free radicals. Amber colored bottles are best at keeping UV light out. Cobalt (blue being the opposite color of brown) bottles do not do a very good job of keeping UV light out, but they allow the light to pass through the glass more readily, and therefore into the product.
In general, shelf life is determined by the chemical composition of the essential oils, some of which oxidize or evaporate more quickly than others. Other things that can affect the estimated shelf life of essential oils are:
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You don't have to figure it out alone!
Hi! I’m Lea Jacobson, a Certified Clinical Aromatherapist. I don’t sell oils - I love teaching people how to use them safely.
The free classes above are excerpts from my book, Using Essential Oils Safely. I hope you enjoy them!
I’d love to meet you and introduce you to people just like you who are on the journey to using essential oils safely inside our free facebook community.
DISCLAIMER: You may have a serious health issue that requires medical attention. The information provided is for educational purposes and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified health provider about any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking care because of something you have read here. Read full disclaimer here.
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