235 citations,
January 2011 in “Journal of Clinical Investigation” Men with baldness due to androgenetic alopecia still have hair stem cells, but lack specific cells needed for hair growth.
231 citations,
October 1999 in “Journal of Clinical Investigation” Activating the Sonic hedgehog gene in mice can start the hair growth phase.
185 citations,
December 2011 in “Molecular and cellular endocrinology” Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.
170 citations,
November 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin can heal wounds without hair follicle stem cells, but it takes a bit longer.
165 citations,
January 2008 in “Journal of biomaterials science. Polymer ed.” The peptide GHK-Cu helps heal and remodel tissue, improves skin and hair health, and has potential for treating age-related inflammatory diseases.
148 citations,
December 2018 in “Journal of autoimmunity” Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.
136 citations,
July 2014 in “Proceedings of the National Academy of Sciences of the United States of America” FGF5 gene mutations cause unusually long eyelashes by affecting hair growth regulation.
121 citations,
March 1989 in “Journal of Investigative Dermatology” Minoxidil can help grow hair in mice by making cells grow and improving hair quality. More research needed.
118 citations,
January 2013 in “Biomaterials” Keratin from human hair shows promise for medical uses like wound healing and tissue engineering.
75 citations,
June 2019 in “International Journal of Molecular Sciences” Costunolide may have multiple health benefits, including promoting hair growth and protecting against cancer and diabetes, but more research is needed.
74 citations,
July 1979 in “Lancet” Biotin treatment can significantly improve hair loss and motor functions in certain metabolic disorders.
72 citations,
April 2008 in “Organogenesis” Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.
71 citations,
May 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” TTD hair brittleness is caused by multiple structural abnormalities.
65 citations,
February 2017 in “Pflügers Archiv - European Journal of Physiology” Macrophages are vital for skin healing, hair growth, salt balance, and cancer defense.
63 citations,
February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
53 citations,
June 2017 in “Skin appendage disorders” PRP treatment helps hair growth in most cases, but more research needed.
44 citations,
July 2016 in “Stem Cells Translational Medicine” Scientists discovered that certain stem cells from mice and humans can be used to grow new hair follicles and skin glands when treated with a special mixture.
44 citations,
November 1998 in “Australasian Journal of Dermatology” Accurate diagnosis is key for treating different kinds of hair loss, and immune response variations may affect the condition and treatment results.
41 citations,
August 2013 in “Facial Plastic Surgery Clinics of North America” FUE provides minimal scarring and quick recovery in hair transplantation, and surgeons not using it may lag in technology.
39 citations,
April 2016 in “Case Reports in Dermatology” Tofacitinib temporarily regrew hair in a man with alopecia, but its effects didn't last.
39 citations,
June 2013 in “Journal of Cosmetic Dermatology” Herbal extracts and platelet-rich plasma together may help increase hair growth by making certain cells grow more, through specific cell growth pathways.
38 citations,
July 2021 in “ACS Nano” Microneedles help treat hair loss by improving hair surroundings and promoting growth.
37 citations,
June 2019 in “Stem cells” Special particles from skin cells can promote hair growth by activating a specific growth signal.
36 citations,
April 2013 in “Cell and Tissue Research” Bone-marrow and epidermal stem cells help heal wounds differently, with bone-marrow cells aiding in blood vessel formation and epidermal cells in hair growth.
35 citations,
March 2014 in “British Journal of Dermatology” Hair loss in male pattern baldness involves muscle degeneration and increased scalp fat.
34 citations,
February 2015 in “Frontiers in Cellular Neuroscience” Zebrafish helped find new ways to prevent drug-induced hair cell death and potential treatments for hearing loss.
33 citations,
January 2021 in “Aesthetic Surgery Journal” Low-Level Light Therapy (LLLT) is a safe and effective method for skin rejuvenation, acne treatment, wound healing, body contouring, and hair growth, but more well-designed trials are needed for confirmation.
33 citations,
March 2017 in “Dermatologic Surgery” Low-level laser therapy effectively treats female hair loss, increasing hair count by 51%.
31 citations,
August 2021 in “Stem Cell Research & Therapy” The conclusion is that understanding how hair follicle stem cells live or die is important for maintaining healthy tissue and repairing injuries, and could help treat hair loss, but there are still challenges to overcome.
30 citations,
November 2020 in “Journal of Advanced Research” Conditioned medium from keratinocytes can improve hair growth potential in cultured dermal papilla cells.