December 2012 in “Journal of dermatological science” Langerhans cells and melanocytes migrate to the skin and hair follicles during early human development.
July 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Platelet-rich plasma can potentially increase hair growth and density, but more trials are needed to confirm its effectiveness and safety.
July 2011 in “Microscopy and microanalysis” Human hair's structure makes it tough and resistant to breaking.
GHK-Cu and propolis may help prevent scalp aging and hair loss.
January 2006 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” Rubus coreanum may help hair growth but not through the tested mechanisms, and none of the herbal extracts help with acne.
January 2006 in “Chinese Journal of Medical Aesthetics and Cosmetology” Microencapsulated human hair cells can successfully grow new hair follicles in mice.
July 1994 in “Archives of Dermatology” The book provides a thorough guide on hair and scalp diseases, covering causes, types, and evaluation methods.
January 2022 in “Wiadomości lekarskie (Warsaw Poland)” MSM reduces hair loss and promotes hair growth in male mice.
November 2025 in “Cosmetics” Rice germ oil improves hair health, but adding ferulic acid offers limited benefits and may worsen chemically damaged hair.
6 citations
,
January 2016 in “Environmental footprints and eco-design of products and processes” The industry should promote pure luxury hair fibers, improve technology, and diversify products to support growers and ensure sustainable use.