research Final Report on the Safety Assessment of Hypericum Perforatum Extract and Hypericum Perforatum Oil 23 citations, January 2001 in “International journal of toxicology” St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.
research Introducing Gap in Hair Follicle Electromagnetism as Mechanism for the Presence of Bipolar Electrical Charges Inherent in the Human Hair Shaft 1 citations, September 2021 in “International journal of research - granthaalayah” Human hair has bipolar electrical charges because of a gap in the hair follicle's electromagnetic field.