January 2023 in “Book of Abstracts” COVID-19 can cause different types of hair loss, with telogen effluvium being the most common.
343 citations
,
December 2008 in “Endocrine Reviews” Metformin helps with menstrual cycles and insulin levels in PCOS but is less effective for hair growth, diabetes prevention, and weight loss, and may improve fertility and reduce diabetes risk.
222 citations
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January 2014 in “International journal of reproductive medicine” Insulin resistance and obesity are key factors in the development and worsening of polycystic ovary syndrome, and lifestyle changes are important for managing it.
October 2025 in “Frontiers in Medicine” Zinc supplements improved symptoms in a Uyghur infant with a rare genetic disorder affecting zinc absorption.
The document concludes that Syndromes of Severe Insulin Resistance are rare disorders with limited treatment options.
June 2018 in “Journal of evolution of medical and dental sciences” Skin problems like excessive hair growth, acne, and dark skin patches can be signs of Polycystic Ovarian Disease, which may also be linked to family history and a risk for diabetes.
July 2015 in “Cambridge University Press eBooks” The document concludes that careful history and physical exams are crucial for accurately diagnosing polycystic ovary syndrome and distinguishing it from other similar conditions.
4 citations
,
June 2022 in “Clinical, cosmetic and investigational dermatology” The new SFS Scale predicts hair transplant difficulty using hair and skin types, with thick skin and coily hair being hardest to work with.
June 2018 in “International journal of trend in scientific research and development” The review explains how hair products work and the science of different hair types to help improve hair care research.
8 citations
,
November 2019 in “International Journal of Morphology” Henna dye improves hair cuticle and thickness but effects vary by hair type and health.
4 citations
,
April 2020 in “Journal of Cosmetic Dermatology” Low vitamin D levels are linked to different types of hair loss.
Certain genetic markers on chromosome 20 are linked to hair loss in the Han Chinese from Yunnan.
15 citations
,
February 2017 in “International Journal of Women's Dermatology” Hair aging and loss are caused by genetics, hormones, environment, and grooming, with treatments like minoxidil effective for certain types of hair loss.
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
10 citations
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December 2020 in “Dermatitis” Ethnic hair products contain different allergens than nonethnic ones, with fragrance being the most common in ethnic products.
1 citations
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November 2012 in “International Journal of Dermatology” L'Oréal's research and workshops have advanced understanding and tailored cosmetics for African hair and skin.
65 citations
,
September 2014 in “BMC genomics” Different hair types in mammals are linked to variations in specific protein genes, with changes influenced by their living environments.
20 citations
,
January 2016 in “Open Journal of Endocrine and Metabolic Diseases” PCOS affects fertility and is linked to obesity and menstrual irregularities; lifestyle changes are recommended for treatment.
17 citations
,
August 2014 in “Journal of Craniofacial Surgery” Botulinum toxin-A reduces wound and skin graft contraction.
75 citations
,
March 2009 in “Journal of The American Academy of Dermatology” CCCA is a hair loss type affecting African women, possibly caused by grooming and chemicals, with various treatments and needing more research.
27 citations
,
September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
16 citations
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April 2020 in “Dermatology practical & conceptual” Laser treatment can effectively reduce unwanted hair growth, particularly for people with fair skin and dark hair.
March 2025 in “International Journal of Trichology” Dermatologists should address discrimination and consider ethnic and gender differences in treatments.
September 2023 in “Journal of The American Academy of Dermatology” Clinical trials for hair loss in the USA show differences in participation among different races and ethnic groups.
4 citations
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September 2012 in “Journal of Nanoscience and Nanotechnology” Dermoscopy helps dermatologists diagnose different types of hair loss accurately without always needing a biopsy.
1 citations
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December 2013 in “BMJ case reports” A pregnant woman with Werner's syndrome died during childbirth, but her baby survived and did not have the syndrome.
March 2024 in “Jordan Journal of Biological Sciences” The Pamona community uses 21 types of mushrooms for food, medicine, and other needs, highlighting the importance of conserving these resources.
2 citations
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September 2021 in “Clinical, Cosmetic and Investigational Dermatology” Hospital staff have a higher rate of hair loss than the general population.
June 2023 in “Journal of General Procedural Dermatology and Venereology Indonesia” Older, overweight women with children and a family history of hair loss are more likely to experience female pattern hair loss.
December 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Stress can cause a type of hair loss in mice lacking the CCHCR1 gene.