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.
5 citations
,
April 2019 in “Ege Tıp Dergisi” Hypericum perforatum gel helps heal burns effectively.
June 2026 in “Scientific Reports” Hypericin and berberine may help hair growth by activating oxytocin signals.
Reducing nerve growth can help skin regenerate after birth.
January 2011 in “Reactions Weekly”