September 2021 in “CRC Press eBooks” Traumatic alopecia causes hair loss from pulling or rubbing, leading to broken hairs and changes in the scalp.
109 citations
,
June 2000 in “Development” Notch pathway activation causes abnormal hair layer development.
412 citations
,
January 1998 in “Science” A mutation in the human hairless gene causes alopecia universalis.
2 citations
,
September 2002 in “Dermatologic Surgery” Each group of hair follicles on the scalp shares one muscle that helps control hair movement.
November 2018 in “Skin appendage disorders” The document concludes that a woman has both Frontal Fibrosing Alopecia and Lichen Simplex Chronicus, a previously unreported combination of conditions.
33 citations
,
August 2015 in “F1000Research” New model shows muscle affects hair loss differently in men and women.
51 citations
,
December 2003 in “The FASEB Journal” The substance AS101 can help hair grow by slowing down hair cell aging and boosting a hair growth protein.
74 citations
,
September 2006 in “Cell Cycle” The HR protein's role as a repressor is essential for controlling hair growth.
January 2021 in “Dermatology online journal” One twin girl has Loose anagen syndrome with poorly anchored hair, diagnosed with a simple hair pull test, while her identical twin does not have the condition.
September 2024 in “Meditsinskiy sovet = Medical Council” As women age, hair follicles decrease in number and hair width tends to reduce.
A six-year-old girl with extra hair on her elbows was treated with hair removal methods.
1 citations
,
January 2022 in “Rasayan journal of Chemistry” Albizia saponaria bark ethanol extract, particularly at 15%, promotes hair growth in rabbits.
12 citations
,
January 1981 in “Springer eBooks” Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.
11 citations
,
January 2015 in “PubMed” A specific laser treatment can promote hair growth in mice by increasing certain protein levels.
April 2021 in “Aktuelle Dermatologie” Frontal Fibrosing Alopecia is a type of hair loss that mainly affects postmenopausal women, has unclear causes, and lacks evidence-based treatments.
January 2025 in “International Journal of Trichology” Loose anagen hair syndrome in children often resolves on its own.
September 2021 in “CRC Press eBooks” Alopecia areata incognita causes sudden hair thinning, responds well to steroids, and is more common in those with genetic hair loss conditions.
7 citations
,
January 2020 in “Scientific Reports” Rabbit skin analysis showed changes in hair growth and identified miRNAs that may regulate hair follicle development.
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.
January 2025 in “Clinical and Translational Medicine” A specific RNA can help hair growth in baldness by boosting stem cell activity.
15 citations
,
February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
July 2002 in “Journal of applied cosmetology” Hair growth issues can be linked to genetics, diseases, or medications, and new treatments are being developed.
February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
13 citations
,
January 2014 in “Postępy Dermatologii i Alergologii” Patchy alopecia areata can affect only pigmented hairs, leaving gray hairs untouched.
January 2016 in “Indian dermatology online journal” The patient has frontal fibrosing alopecia (FFA).
September 2023 in “International Journal of Trichology” A rare hair regrowth pattern can occur in some people with alopecia areata.
12 citations
,
March 2004 in “Journal of Investigative Dermatology” 3 citations
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September 2014 in “SpringerPlus” Human hair loss may have evolved to help increase brain size.
December 2011 in “URMIA MEDICAL JOURNAL” Glycoconjugate sugars are important for hair follicle development.