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.
November 2023 in “Turkish journal of botany” Türkiye uses many local plants to treat skin problems.
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,
April 2002 in “The American Journal of Medicine” Hair loss can be an early sign of HIV infection.
581 citations,
February 1998 in “The American Journal of Medicine” Herbal remedies can cause adverse effects and need more safety research.