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.
Bee pollen, green tea, essential oils, and various plant extracts improve skin and hair health.
13 citations,
April 2017 in “Journal of Alternative and Complementary Medicine” Traditional and complementary medicine may help with skin conditions, but more high-quality research is needed.
165 citations,
February 2014 in “Phytotherapy Research” Myrtle has various health benefits and potential for medicine development.
25 citations,
July 2017 in “Archives of Dermatological Research” Herbal products might promote hair growth with fewer side effects, but more research is needed to confirm their safety and effectiveness.