August 1994 in “Drugs & Therapy Perspectives” Some drugs can cause hair loss or growth, but hair usually returns to normal after stopping the drug.
27 citations
,
September 1999 in “Journal of Investigative Dermatology” Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.
July 2025 in “Dermatologica Sinica” Glycyrrhizin may help regrow hair by activating a specific pathway.
19 citations
,
November 2012 in “British Journal of Dermatology” Dopamine stops hair growth and pigment production in human scalp hair follicles.
8 citations
,
March 2023 in “British Journal of Dermatology” Next-generation sequencing greatly improves understanding and treatment of genetic hair disorders.
Neurotrophins may contribute to genetic hair thinning by inhibiting hair growth.
4 citations
,
December 2022 in “Cells” Engineered nanovesicles from fibroblasts may help treat hair loss by promoting hair growth.
June 2025 in “Clinical and Experimental Dermatology” A 76-year-old man's grey hair turned back to its original color after radiotherapy.
3 citations
,
January 2023 in “Nutrients” Hordenine may help hair grow by activating a specific cell growth pathway.
August 2006 in “Experimental dermatology” Neurotrophins are important for hair growth and response to stress.
November 2022 in “Nihon Nyuusankin Gakkaishi/Nihon Nyūsankin Gakkaishi” The lotion with N793 strain significantly increased hair density and reduced hair loss safely.
14 citations
,
August 2006 in “Clinical and Experimental Dermatology” A girl with no hair neglect developed plica neuropathica in the hospital, lost all her hair, but it grew back.
7 citations
,
January 1981 in “Springer eBooks” The document concludes that hair biology is complex and there are still unanswered questions about hair loss and follicle changes.
January 2006 in “Dianzi xianwei xuebao” Netherton syndrome causes specific skin and hair changes that help in early diagnosis.
13 citations
,
October 2002 in “Journal of Investigative Dermatology” The upper half of a human hair follicle can grow a new hair in a mouse, but success is rare.
January 2023 in “Skin appendage disorders” Two Hispanic women developed Plica neuropathica, a condition causing tangled hair, possibly due to hair damage and various risk factors.
8 citations
,
February 2009 in “Journal of Dermatological Science” Targeting androgen receptors with antiandrogen oligonucleotides could effectively treat hair loss.
January 2007 in “한국미용학회지” People with hair loss have smaller hair roots and less fat tissue.
May 2025 in “International Journal of Trichology” Partially bald areas in Indian AGA patients still have hair growth cells, suggesting early treatment is best.
82 citations
,
November 1959 in “Annals of the New York Academy of Sciences” Boosting certain cell signals can prevent hair loss from chemotherapy and radiation.
April 2025 in “ACS Applied Nano Materials” A new treatment using dissolvable microneedles with nickel-copper and minoxidil improves hair growth and health in androgenetic alopecia.
1 citations
,
October 2025 in “Journal of Microbiology and Biotechnology” Natural extracts may promote hair growth with fewer side effects than conventional treatments.
6 citations
,
February 2016 in “International Journal of Dermatology” The true cause of hair suddenly turning white is still unknown.
2 citations
,
March 2023 in “JAAD case reports” Hair repigmentation can indicate malignancy and should be investigated.
21 citations
,
November 2017 in “Scientific Reports” Different human hair follicle stem cells grow at different rates and respond differently to a baldness-related compound.
Crinum asiaticum extract and norgalanthamine may promote hair growth by blocking an enzyme linked to hair loss and a pathway that stops hair growth.
27 citations
,
November 2005 in “Archives of Dermatological Research” Choosing hair follicles at the same growth stage leads to more consistent hair growth experiments.
1 citations
,
June 2022 in “Tidsskrift for Den norske legeforening” A young boy's uncombable hair is due to a rare genetic condition that usually improves over time.
April 2024 in “International journal of research in dermatology” Azathioprine can cause hair loss and matted hair.