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.
May 2023 in “Endocrine, metabolic & immune disorders” Hibiscus rosa-sinensis is used in traditional medicine and is safe in high doses, with various health benefits.
33 citations,
November 2008 in “European Journal of Pharmaceutical Sciences” St. John's wort increases finasteride metabolism, reducing its effectiveness; use caution when combining them.
5 citations,
October 2018 in “Journal of Drug Delivery and Therapeutics” Eclipta Alba may help reverse memory loss caused by scopolamine, suggesting it could treat Alzheimer's-related memory issues.
2 citations,
January 2019 in “Indian Journal of Pharmaceutical Sciences” Zinc chloride can cause human scalp cells to multiply and die.