by Tisserand Institute | Sep 27, 2016
Tuesday Q&A! Question (by Ann Jennerjahn): How do I tell if an EO bottle is oxidized, or no longer good to use? Answer: Eventually, all essential oils degrade and the main direct cause of this is a process called oxidation; essential oil constituents combine with...
by Tisserand Institute | Sep 20, 2016
New and updated August, 2023 In our recent trawl for questions we had several about insect repellents, especially in relation to Zika. Zika virus is transmitted to people primarily through the bite of an infected Aedes species mosquito (A. aegypti and A. albopictus)....
