by Hana Tisserand | Apr 3, 2017
Essential oils and the immune system Among the most frequently asked questions are ones about essential oils and the immune system. Many essential oils are said to “boost” or strengthen it, though specifics are rare. Most of the time this is assumed to mean they will...
by Hana Tisserand | Mar 14, 2017
Are there any carcinogenic essential oils? There are carcinogenic essential oil constituents. These include asarone, estragole (methyl chavicol), safrole and methyleugenol. Both estragole and methyleugenol are found in Basil leaves and they are quite concentrated in...
by Hana Tisserand | Mar 10, 2017
We were asked a question about how to approach safety discussions, and this was in the context of people ingesting essential oils and using them undiluted on the skin. Here at RTET we are open to debating any point, so long as the debate is civil. Below are some basic...
by Hana Tisserand | Mar 8, 2017
Question (by Lora Carbo Cantele): Can you clarify why using a topical (such as a roll-on) that contains say a 5% dilution of EOs on a very small location may be unsafe? In your book you list the maximum % of a given EO, but there are some that say using an EO in...
by Tisserand Institute | Mar 8, 2017
It’s Q&A Tuesday! Question (by Liane Reimer): I can’t find any information on the benefits, safety issues, and other attributes of coffee essential oil. Answer: If you like the smell of coffee, you will probably like coffee oil. This is a “mechanically...
by Hana Tisserand | Mar 8, 2017
Q&A Essential Oil Safety edition Question (by Helen Bairstow): I’d like to know if tea tree starts to oxidize is it still safe? And how can you tell? Answer: The more that Tea Tree oil (TTO) oxidizes, the less safe it is in terms of adverse skin reactions....
