The arrector pili muscle plays a key role in hair loss in androgenetic alopecia.
47 citations
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July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
6 citations
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February 2020 in “Journal of Cutaneous Pathology” Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
1 citations
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May 1965 in “Medical Clinics of North America” Hair growth dysfunction involves various conditions with limited treatment options.
July 2026 in “Journal of Investigative Dermatology”
January 2026 in “International Journal of Dermatology Research” Early recognition of loose anagen hair syndrome is important to prevent misdiagnosis and unnecessary treatments.
1 citations
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January 2021 in “Nihon rinsho hifukaikai zasshi” The document provides ways to tell alopecia areata from other similar hair loss conditions, using visual checks and specific tests.
23 citations
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March 2017 in “Journal of Investigative Dermatology” An artificial lipid barrier can restore hair growth in cases of SCD1 deficiency.
November 2022 in “Journal of Drug Delivery and Therapeutics” Unani medicine links diffuse hair loss to poor skin pore function and body dryness, leading to thinning hair.
7 citations
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February 2018 in “Journal of Investigative Dermatology” Fat tissue and a specific protein are crucial for healthy hair growth and maintenance.
2 citations
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April 2017 in “PubMed” Fat cells near hair follicles may affect hair growth and could help treat baldness.
August 2018 in “The Molecular Biology Society of Japan”
June 2022 in “Indian Dermatology Online Journal” A man with total hair loss developed blackhead-like spots on his scalp, possibly because no hair was present to help drain oils.
4 citations
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April 1983 in “The Journal of Dermatology” A 15-year-old girl with hypothyroidism had excess hair and skin issues due to blocked hair follicles.
11 citations
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May 1995 in “The journal of investigative dermatology/Journal of investigative dermatology”
March 1997 in “Journal of Endocrinology/Journal of endocrinology” Excessive hair growth in women can be treated with medications like spironolactone and finasteride, and male-pattern baldness in women can be improved with similar treatments.
July 2025 in “Frontiers in Medicine” Mutations in the LIPH gene cause woolly hair in a child.
7 citations
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January 1990
41 citations
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November 2011 in “The Journal of Dermatology” Some hair loss disorders are caused by genetic mutations affecting hair growth.
December 2007 in “CRC Press eBooks” Alopecia areata incognita causes widespread hair loss without patches and needs a scalp biopsy for diagnosis.
April 2016 in “Journal of Investigative Dermatology” Wnt ligands, produced by dermal papilla cells, are essential for adult hair growth and regeneration.
3 citations
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August 1986 in “BMJ. British medical journal” Women with excessive hair growth often have hormonal issues and need medical advice and treatment.
2 citations
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April 2008 in “Advances in therapy” Proper diagnosis and treatment of childhood hair loss require distinguishing between alopecia and trichotillomania.
February 2021 in “International journal of men's social and community health” Bald men's facial expressions are seen more negatively, and many men are dissatisfied with their bodies, including hair loss.
78 citations
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May 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes woolly hair and hair loss.
57 citations
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August 2002 in “American Journal Of Pathology” Cathepsin L deficiency causes hair and skin issues in mice.
10 citations
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August 2013 in “Experimental Dermatology” Hairless protein and putrescine regulate each other, affecting hair growth and skin balance.
24 citations
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January 2015 in “Current problems in dermatology” The document concludes that accurate diagnosis of hair loss in children is crucial due to limited treatment options and the condition's psychological impact.
2 citations
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July 2021 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair shaft disorders are diagnosed through examination and history, with general care and some treatments offering improvement.
51 citations
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January 1989 in “Journal of Investigative Dermatology” Men with male-pattern baldness have more androgen receptors in their scalp's oil glands, which may contribute to hair loss.