Do essential oils react with titanium?
Hi Robert, I was able to be at your seminar in Ithaca and enjoyed it very much. You presented much needed information on essential oils research. That compelled me to pose the following question to you: Do you know of any research regarding if and how essential oils...Q&A: spilled essential oils discolor skin
Joanne L. writes: Hi Robert, I was wondering if you have any thoughts on the following – a short course student of mine works in an essential oil / fragrance suppliers. Recently she poured an unspecified amount of Lemon Scented Myrtle oil over her leg into her...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
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