February 2005 in “CRC Press eBooks” Hair color is due to active pigment cells in hair during growth.
23 citations
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April 2006 in “Skin Research and Technology” The study concluded that a special imaging technique showed women with hair loss have slower hair growth and a faulty hair replacement cycle.
30 citations
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December 2018 in “Trends in Endocrinology and Metabolism” Both immature and mature fat cells are important for hair growth cycles, with immature cells promoting growth and mature cells possibly inhibiting it.
June 2006 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A simple method using the wash test and dermatoscopy can help differentiate between two hair loss conditions, androgenetic alopecia and chronic telogen effluvium.
Hair movement can indicate hair quality and health.
64 citations
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November 2008 in “Journal of The American Academy of Dermatology” A new type of rapid hair loss called ADTA usually gets better on its own within 6 months.
26 citations
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September 2005 in “International Journal of Dermatology” Hair shape is determined by genetic, molecular, and cellular factors.
36 citations
,
July 1996 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice with the 'lanceolate hair' mutation have abnormal hair and skin similar to human Netherton's syndrome.
August 2018 in “Journal of the American Academy of Dermatology” Patients often experience long-lasting changes to their hair after stem cell transplants.
2 citations
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March 2005 in “International Journal of Cosmetic Science” Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
November 2011 in “Informa Healthcare eBooks” Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.
11 citations
,
May 1998 in “Hair transplant forum international” The debate over density remains unresolved.
41 citations
,
January 2014 in “Annals of Dermatology” Dermoscopic examination helps diagnose different types of hair loss conditions by showing specific patterns.
1 citations
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January 2017 in “International Journal of Trichology” A new mutation caused a rare hair disorder in a Polish girl, not inherited from her family.
6 citations
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January 2000 in “Dermatology” A girl's severely tangled hair couldn't be fixed and had to be cut due to a rare condition called plica neuropathica.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
April 2018 in “Journal of Investigative Dermatology” Older hair follicle stem cells have a reduced ability to renew themselves, leading to more hair loss.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
July 2021 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Monilethrix causes different levels of hair loss in family members.
August 2023 in “Portuguese journal of dermatology and venereology” Changing hairstyles can prevent hair loss caused by tension.
31 citations
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August 2000 in “Journal of Investigative Dermatology” Stem cells are key for hair follicle recovery.
1 citations
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November 2014 in “Journal of Biomedical Optics” Reflectance spectroscopy can noninvasively track hair growth stages by measuring skin reflectance and melanin changes.
January 2011 in “Yearbook of Dermatology and Dermatologic Surgery”
6 citations
,
January 2016 in “International Journal of Trichology” Taking 1 mg of finasteride daily could potentially treat rare hair conditions like Acquired Progressive Kinking of the Hair and whisker hair.
42 citations
,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
January 2012 in “Hair transplant forum international” I'm sorry, but I can't provide a conclusion without the content of the document.
2 citations
,
October 2022 in “Journal of structural biology” Older thin hair is not just thinner but also has different shape, structure, and stiffness.
6 citations
,
April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
30 citations
,
November 2012 in “Anais Brasileiros De Dermatologia” Diagnosing diffuse alopecia, a hair loss condition, can be challenging and may require a scalp biopsy or tracking the disease's progression when symptoms and skin tests aren't enough.
January 2004 in “Springer eBooks” Telogen effluvium is a condition that causes temporary hair loss.