1947 citations
,
September 1995 in “New England journal of medicine/The New England journal of medicine” PCOS is a common hormonal disorder causing irregular periods and increased hair growth, linked to insulin resistance and long-term health issues.
18 citations
,
December 1996 in “Seminars in Cutaneous Medicine and Surgery” Chemotherapy and cytokine therapy can cause various skin reactions, including hair loss and hypersensitivity.
10 citations
,
May 1995 in “Journal of General Internal Medicine” Most women with excessive hair growth have PCOS; treatment varies and focuses on preventing new hair, with electrolysis as the only permanent removal method.
15 citations
,
April 2022 in “Ginekologia Polska” Higher thyroid hormone levels may be linked to certain types of polycystic ovary syndrome.
138 citations
,
June 2023 in “Molecules” Skin pigmentation varies due to genetics, UV exposure, and drugs, with treatments available but requiring medical advice.
31 citations
,
October 1992 in “Journal of Clinical Pharmacy and Therapeutics” Some medications can change hair color, especially chloroquine and cancer treatments.
1 citations
,
October 2020 in “Journal of Cosmetic Dermatology” Low iron levels are linked to premature graying of hair, but vitamin D levels are not.
2 citations
,
August 1999 in “PubMed”
14 citations
,
December 2003 in “International Journal of Cosmetic Science” Hair growth and shedding are linked and can be disrupted, causing a delay known as the hair eclipse phenomenon, which is common in certain hair conditions and could lead to new treatments.
May 2020 in “International journal of dermatology and venereology” Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
12 citations
,
January 2020 in “Analyst” Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
July 2019 in “International Journal of Research in Dermatology” Women with PCOS often have acne, obesity, and excess hair, especially on the chin and upper lip.
August 2023 in “Journal of the European Academy of Dermatology and Venereology” Onycholemmal horn is a rare nail tumor in elderly women, treated by surgical removal.
15 citations
,
May 2013 in “American Journal of Medical Genetics - Part A” People with X-linked hypohidrotic ectodermal dysplasia have no sweat ducts and less, thinner hair.
1 citations
,
January 2015 Hyperandrogenism in women often causes acne and excess hair, treatable with lifestyle changes and medications.
9 citations
,
April 2016 in “Clinical Endocrinology” Scalp hair 17-OHP and androstenedione levels can help monitor treatment in CAH patients.
15 citations
,
April 1960 in “Journal of the American Medical Association” Hirsutism perception varies by culture and individual.
October 2021 in “Acta Scientific Medical Sciences” A woman was diagnosed with a rare adrenal gland cancer that did not show usual hormone-related symptoms.
September 2017 in “Fertility and sterility” Vietnamese women with PCOS tend to be younger, have larger waists, higher AMH levels, and more body hair than those without PCOS.
2 citations
,
August 2014 in “Archivos argentinos de pediatría” A 6-year-old girl with Turner syndrome also had psoriasis, alopecia areata, and trachyonychia.
11 citations
,
February 1989 in “Journal of veterinary medicine. Series A” Crossbreeding certain European cattle breeds may cause hair and physical issues in cattle.
10 citations
,
January 2003 in “Dermatology” The E413K mutation in the hHb6 gene causes monilethrix, a hair disorder, but doesn't show consistent symptoms.
August 2019 in “Journal of The American Academy of Dermatology” Bleach baths with 0.005% hypochlorite help manage atopic dermatitis by affecting skin cells and reducing itchiness.
14 citations
,
January 2012 in “International Journal of Trichology” Hodgkin's lymphoma can show up as hair loss.
7 citations
,
March 1993 in “International Journal of Oncology” Basal cell carcinoma shows keratin patterns similar to hair follicle structures.
1 citations
,
December 2022 in “Biomedicines” Middle-aged women with PCOS often continue to experience symptoms related to high androgen levels, like unwanted hair growth.
November 2025 in “Frontiers in Endocrinology” A rare tumor caused unusual hormone production leading to Cushing syndrome.
10 citations
,
June 2010 in “Fertility and Sterility” Patients with PCOS tend to score their hirsutism higher than clinicians, making self-scoring less useful for diagnosis.
8 citations
,
March 2014 in “American Journal of Pathology” Damaged hair follicles make mice more prone to skin inflammation and skin cancer after UV exposure.
Skin changes can reveal serious hormone-related diseases, helping save lives.