75 citations
,
May 1986 in “Clinics in endocrinology and metabolism” Male hormones are important for hair and oil gland development and can cause conditions like excessive hair growth and acne.
2 citations
,
September 2021 in “JAAD case reports” A man with a weakened immune system was diagnosed with a rare skin condition called trichodysplasia spinulosa using skin examination techniques.
January 2011 in “대한피부과학회지” A 7-year-old girl was diagnosed with trichothiodystrophy due to low sulfur levels in her hair.
3 citations
,
August 2013 in “Maǧallaẗ ǧāmiʻaẗ al-anbār li-l-ʻulūm al-ṣirfaẗ” Thyroid and reproductive hormones, BMI, and excess hair are linked in Iraqi women with PCOS.
74 citations
,
January 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the DSG4 gene can cause a rare hair disorder similar to monilethrix.
11 citations
,
February 2008 in “British journal of nursing” Idiopathic hirsutism causes excessive hair growth in women, can be treated with medication and hair removal, but cannot be fully reversed.
81 citations
,
June 2012 in “European journal of human genetics” Inherited ichthyoses cause widespread skin scaling and thickening due to gene mutations.
1 citations
,
February 2009 in “Journal of Investigative Dermatology” Lipase H is important for hair follicle function and shaping hair fibers.
January 2026 in “Forum Dermatologicum” Thorough hair examination is crucial for accurate diagnosis and treatment.
October 2020 in “Medicine - Programa De Formación Médica Continuada Acreditado” Female hyperandrogenism is a condition caused by too much male hormones, leading to skin issues and ovulation problems, often due to Polycystic Ovary Syndrome, and is treated based on individual symptoms.
June 2024 in “Annals of Medicine and Surgery” A 23-year-old Syrian woman has two rare hair disorders, and avoiding hair treatments plus using vitamins and minoxidil may help.
May 2025 in “Journal of the ASEAN Federation of Endocrine Societies” A woman's increased hair growth during pregnancy due to PCOS resolved after delivery.
47 citations
,
August 2000 in “Endocrine Reviews” The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.
3 citations
,
February 2022 in “Canadian Medical Association Journal” Severe hypothyroidism can cause eyebrow hair loss, but improves with thyroid hormone treatment.
94 citations
,
October 1994 in “The Journal of Cell Biology” Too much keratin 16 in mice skin causes abnormal skin thickening and structure.
September 2025 in “Indian Journal of Dermatology” A Turkish woman has a hair condition caused by a LIPH gene mutation.
108 citations
,
July 2002 in “Molecular and cellular biology” Overexpressing Dsg3 in mice skin causes excessive cell growth and abnormal skin development.
April 2019 in “Journal of the Endocrine Society” A woman's severe insulin resistance improved with treatment, but she still had high testosterone levels due to ovarian issues.
May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.
December 2014 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair removal with intense pulsed light can cause rare skin lesions that are hard to fully treat.
4 citations
,
January 2014 in “International Journal of Trichology” A 12-year-old boy with a rare genetic condition has progressive hair loss with no effective treatment.
1 citations
,
January 2018 in “Journal of Gynecologic Surgery” Removing both ovaries can treat increased testosterone and related symptoms in postmenopausal women with ovarian hyperthecosis.
June 2023 in “Dermatology online journal” A person with thyroid problems had rare, swollen, bald spots on their scalp caused by a condition usually found on the shins.
August 2025 in “Skin Appendage Disorders” Topical minoxidil can help improve hair in trichonodosis.
November 1993 in “PubMed” High levels of androgens can cause skin issues like acne, hair loss, and excessive hair growth.
36 citations
,
August 2011 in “Experimental Dermatology” Eccrine sweat gland's clear cells likely cause excessive sweating in hyperhidrosis.
Targeting androgen receptors in the skin is the most effective treatment for hyperandrogenism-related skin issues.
11 citations
,
August 2019 in “PubMed” Hirsutism in women is mostly caused by polycystic ovary syndrome and idiopathic hyperandrogenism.
3 citations
,
November 2020 in “Cleveland Clinic Journal of Medicine” Eyelash loss can be a sign of thyroid problems.
50 citations
,
February 2016 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes a rare hair disorder with thin, woolly hair.