Hair restoration can be permanent.
33 citations
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March 2006 in “Seminars in cutaneous medicine and surgery” The document explains how to identify different hair problems using a microscope.
January 2013 in “The Pan African medical journal” Monilethrix causes short, fragile hair with no specific treatment available.
May 2026 in “Journal of Investigative Dermatology”
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair is a return to its original state, while modifications signal social pressures.
4 citations
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November 2018 in “JAAD case reports” Alopecia areata can sometimes appear as a straight line of hair loss instead of round patches.
21 citations
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February 2019 in “Experimental Dermatology” Different fields of expertise must work together to better understand hair growth and create effective hair loss treatments.
September 2016 in “Journal of The American Academy of Dermatology” The girl has a genetic hair condition causing thin hair since childhood.
Frontal hair in male pattern baldness shows reduced growth and thickness.
50 citations
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March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
29 citations
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July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
6 citations
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February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
January 2025 in “British Journal of Dermatology” Long scalp hair evolved for cooling and social signaling.
January 2026 in “Forum Dermatologicum” Thorough hair examination is crucial for accurate diagnosis and treatment.
4 citations
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January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
July 2025 in “Journal of the American Academy of Dermatology” Hair diameter diversity helps assess hair loss, but its standard measure varies by individual and ethnicity.
23 citations
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December 1991 in “Annals of the New York Academy of Sciences” Balding scalps slow down hair growth.
May 2015 in “Journal of the American Academy of Dermatology” New hair after alopecia areata can be thinner and change color but usually keeps the same shape.
January 2022 in “Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.)” Uncombable hair syndrome causes frizzy hair and can affect the nervous system, eyes, and ears, often co-occurring with other hair, skin, nail, and teeth conditions, and is linked to three specific gene mutations.
130 citations
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January 1994 in “Differentiation” Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.
57 citations
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November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
March 2021 in “CRC Press eBooks” The document concludes that different patterns of hair thickness and scalp changes can help diagnose types of non-scarring hair loss.
25 citations
,
October 1996 in “Dermatologic Clinics” Loose Anagen Syndrome causes easy-to-pull, thin hair, mainly in young girls, and improves with age.
February 2024 in “JAAD International” Measuring the variety in hair thickness can help diagnose male pattern baldness in Korean men.
3 citations
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March 2009 in “Hirosaki University Repository for Academic Resources (Hirosaki University)” Hirosaki hairless rats have sparse, twisted hair due to missing hair keratin genes.
15 citations
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January 1971 in “British Journal of Dermatology” Hair can indicate early signs of metabolic disorders, with issues like protein deficiency stopping hair growth.
January 2019 in “Global Dermatology” Genetic hair shaft abnormalities can be seen with microscopes and often affect scalp hair.
May 2026 in “International Journal of Versatile Research and Analysis” Air wedge interferometry is a precise, cost-effective way to measure hair thickness.
July 2019 in “Journal der Deutschen Dermatologischen Gesellschaft” A mother and daughter have a rare genetic hair loss disorder with no effective treatment.