August 2023 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Minoxidil users may experience hair discoloration, especially with long-term use and a family history of gray hair.
125 citations
,
February 1971 in “Biochemistry” Specific cross-linkages help make hair proteins stable and strong.
6 citations
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May 2022 in “Frontiers in Medicine” The study suggests pandemic stress might worsen or trigger hair loss problems.
4 citations
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June 2025 in “JMIR Formative Research” Hair cortisol concentration may reflect some physiological stress but doesn't strongly correlate with perceived stress.
4 citations
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January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
2 citations
,
February 2022 in “Menopause” Over half of postmenopausal women experience hair loss, with severity increasing with age, time since menopause, and higher body mass index.
1 citations
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April 2016 in “Journal of Investigative Dermatology” Patients with Focal Dermal Hypoplasia often experience skin, nail, hair, and bone issues, and may benefit from calcium and vitamin D supplements.
December 2025 in “International Journal of Research in Dermatology” A multidisciplinary approach is crucial for effectively managing hair loss linked to endocrine and gynecological disorders.
November 2025 in “Healthcare” Zinc levels don't significantly affect hair loss, so testing for zinc isn't necessary.
April 2025 in “Pharmaceuticals” APA is a promising new compound for repairing damaged hair, outperforming Olaplex® in strength and elasticity.
January 2025 in “International Journal of Scientific Research” 12.5% of women with PCOS experience moderate hair loss, highlighting the need for early detection and management.
January 2025 in “International Journal of Medicine in Developing Countries” Many in Saudi Arabia experience early hair loss but lack awareness of treatments.
June 2024 in “Skin Research and Technology” Severe male pattern hair loss is linked to lower hair density in the back of the head.
November 2023 in “International Journal of Trichology” Trichoscopic features help diagnose and assess female pattern hair loss severity, with inflammation playing a key role.
October 2023 in “Dermatology practical & conceptual” Many patients experienced hair loss after COVID-19, with women affected more, starting on average 49 days post-infection.
Stress significantly contributes to hair loss, especially in women and those aged 31-40.
September 2023 in “Irish Journal of Medical Science (1971 -)” About 61% of women who had COVID-19 experienced hair loss afterward.
Hair loss is common in the studied community, often linked to aging and hair care practices like braids, weaves, and chemical relaxers.
15 citations
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February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
October 2018 in “The Egyptian Journal of Hospital Medicine” Many people in Saudi Arabia use multivitamins for hair loss, often without medical advice, and while some report improvements, more research is needed on their effectiveness and safe use.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
Transglutaminases help form strong hair by linking proteins, and can potentially alter hair properties.
6 citations
,
October 1988 in “Clinics in Dermatology” The molecular details of hair growth are not well understood.
2 citations
,
January 2020 The document describes a method for preparing hair for microscopy by embedding it in plastic, cutting it, and storing it cold before imaging.
30 citations
,
November 2021 in “Obesity Reviews” Higher glucocorticoids in hair are linked to increased obesity measures like waist size.
13 citations
,
January 2012 in “Dermatologic surgery” The trichometer is a quick and reliable tool for measuring hair quantity.
12 citations
,
December 2020 in “Journal of The American Academy of Dermatology” The COVID-19 pandemic increased symptoms in people with skin picking and hair pulling disorders.
7 citations
,
May 2019 in “British Journal of Dermatology” Transgender and nonbinary individuals experience hair loss, with transmen on testosterone seeing more severe hair loss, while feminizing hormones may stabilize hair loss in transwomen.
7 citations
,
January 2013 in “Supportive care in cancer” Hair mass index is a precise way to measure hair loss in chemotherapy patients.
6 citations
,
March 2020 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Most people in Turkey start getting gray hair around 33 years old, with factors like age, education, hair loss, skin type, family history, and anxiety playing a role.