January 2023 in “Journal of orthopedics & bone disorders” Platelet-rich plasma may not be very effective for bone healing and hair growth due to a substance it contains that blocks these processes.
May 2026 in “Scientific Reports” Sr and Cu ions in borosilicate glasses improve strength, bone integration, and fight bacteria, making them good for orthopedic implants.
January 2025 in “Scripta Medica” PDO, PLLA, and PCL threads increase collagen in ageing skin but don't change MMP1 gene expression.
September 2017 in “Springer eBooks” FUE hair transplants have improved to give more natural results with less scarring and pain.
11 citations
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June 2021 in “Frontiers in Cell and Developmental Biology” Melatonin helps goat hair stem cells grow and maintain their ability to become different cell types.
1 citations
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July 2018 in “Journal of dermatology & cosmetology” Hyaluronic acid successfully treated skin atrophy caused by corticosteroid injections.
36 citations
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September 2009 in “Molecular Neurobiology” 
June 2021 in “National Medical Journal of China” Bimatoprost helps mouse hair grow by turning on a specific growth pathway.
56 citations
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June 2002 in “Biomaterials” Controlled release of VEGF in a collagen hydrogel boosts hair growth in mice.
Hair restoration surgery, done under local anesthesia, is used to hide scalp scars and treat certain alopecia stages, relying on transplant design and patient understanding for success.