November 2024 in “Journal of Investigative Dermatology” TGF-β signaling is essential for new hair growth after wounds.
June 1999 in “Proceedings of SPIE” The CO₂ laser is better for hair transplantation because it causes less damage than the Ho:YAG laser.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Hair follicles are thinner in alopecia patients, especially in alopecia areata.
September 2025 in “International Journal of Zoology and Applied Biosciences” Women aged 21-26 have a higher rate of PCOS.
July 2025 in “Materials Today Bio” TFC-loaded microneedles effectively promote hair regrowth in androgenetic alopecia.
14 citations
,
February 2021 in “Journal of the European Academy of Dermatology and Venereology” A COVID-19 patient with severe hair loss did not improve with hair loss medication after stopping and restarting it due to the infection.
1 citations
,
October 2017 in “Elsevier eBooks” Antiandrogens can treat female hormonal conditions, but environmental ones may harm reproductive health.
3 citations
,
April 2025 in “International Journal of Pharmaceutics” Nanocrystals improve alopecia areata treatment by better targeting hair follicles.
1 citations
,
April 2024 in “Journal of Autoimmunity” Interleukin-15 can help hair growth and protect hair follicles.
23 citations
,
December 2001 in “Lasers in Surgery and Medicine” Permanent hair removal is hard, but using longer laser pulses at lower power might improve results.
9 citations
,
March 2016 in “Natural Product Research” Some flavonoids may help with hair growth by affecting blood vessel function in hair follicles.
43 citations
,
March 2006 in “Seminars in Cutaneous Medicine and Surgery” Different types of hair loss have unique features under a microscope, but a doctor's exam is important for accurate diagnosis.
949 citations
,
January 2001 in “Cell” Adult mouse skin contains stem cells that can create new hair, skin, and oil glands.
314 citations
,
April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
284 citations
,
February 2008 in “Pediatrics” Chemicals and body size might change when puberty starts and progresses, but more research is needed to confirm this.
236 citations
,
July 2001 in “Trends in Molecular Medicine” Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.
191 citations
,
May 2018 in “British journal of dermatology/British journal of dermatology, Supplement” Alopecia areata is likely an autoimmune disease with unclear triggers, involving various immune cells and molecules, and currently has no cure.
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.
144 citations
,
September 2012 in “Genes & development” Aging causes skin stem cells to work less effectively.
137 citations
,
September 2005 in “Proceedings of the National Academy of Sciences of the United States of America” The HR protein helps hair grow by blocking a hair growth inhibitor, aiding in hair follicle regeneration.
92 citations
,
December 2005 in “The Journal of clinical investigation/The journal of clinical investigation” Human hair follicle stem cells can be isolated using specific markers for potential therapeutic use.
90 citations
,
June 2006 in “The American Journal of Dermatopathology” The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.
81 citations
,
December 2009 in “Journal of Dermatological Science” Fat tissue stem cells may help increase hair growth.
75 citations
,
September 2017 in “Developmental biology” The circadian clock influences the behavior and regeneration of stem cells in the body.
69 citations
,
August 1999 in “Developmental biology” The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.
62 citations
,
August 2018 in “Frontiers in Endocrinology” Androgens are important for normal ovarian function and estrogen production, but may not be the main cause of follicle death.
50 citations
,
February 2016 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes a rare hair disorder with thin, woolly hair.
45 citations
,
April 2018 in “Nature Reviews Urology” Male genital development is driven by androgen signaling and understanding it could help address congenital anomalies.
44 citations
,
May 2012 in “Endocrinology” High levels of androgens during early development may cause PCOS-like symptoms.
44 citations
,
June 2009 in “Biomaterials” Skin cell clumping for hair growth is improved by a protein called fibronectin, which helps cells stick and move better.