Q&A: Essential oils for internal use?
Hi Robert, I wondered what the current advice/research is regarding the internal use of essential oils – specifically using oils on tampons? Any guidance would be much appreciated. Many thanks. Adele Adele – one important point is that, as with all other...Q&A: Lavender oil and cancer
This question combines two recent topics – lavender oil and cancer – and shows that strange information continues to swirl about… Beverley H writes Hi Robert One of the first references I use when looking up contra-indications is your book with Tony...Q&A: Ylang-ylang safety in perfume
Cory T asks What do you think is the upper safety level for Ylang-ylang in an oil based perfume? I have looked at the IFRA (International Fragrance Association) guideline and I’m not sure what to think about it. Thanks if you have an answer. I would appreciate...The Tisserand Institute
Visit The Tisserand Institute for the latest from Robert Tisserand in the science and the effective, safe and sustainable use of essential oils in all aspects of aromatherapy.