23 citations
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January 2001 in “International journal of toxicology” This review discusses the cosmetic use and safety of Hypericum Perforatum Extract and Oil, finding that current data are insufficient to support their safety in formulations due to a lack of comprehensive testing.
5 citations
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April 2019 in “Ege Tıp Dergisi” This study found that applying Hypericum perforatum methanol extract-containing gel to experimental burns in rats reduced collagen discoloration and vascular damage while preserving hair follicles and epidermal thickness compared to treatment with silver sulfadiazine cream.
June 2026 in “Scientific Reports” This study identified hypericin and berberine as compounds that can support hair growth by enhancing oxytocin receptor expression and acting as an oxytocin receptor agonist, respectively, potentially serving as practical alternatives to oxytocin for treating hair-loss diseases.
This study found that late embryonic skin injuries can regenerate multiple tissue types, but this ability is hindered postnatally due to fibroblast-driven hyperinnervation, which can be mitigated to enable regeneration.
January 2011 in “Reactions Weekly”