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.
January 1980 in “中国科学A辑(英文版)” The protein structures in the hair and tendon were preserved, but their molecular arrangements changed.
Yak hair stretches mainly due to macromolecules slipping past each other.
2 citations
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January 1993 Trichohyalin is a versatile protein involved in hair and skin structure.
117 citations
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August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
8 citations
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February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
Asian patients show different trichoscopy features compared to Caucasians, like thicker hair and different alopecia signs.
1 citations
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September 1998 in “Journal of Advancement in Medicine” Thiamin deficiency might cause hair loss and mental health issues.
July 2022 in “Zenodo (CERN European Organization for Nuclear Research)” Nutrient-rich shampoos can help revitalize hair and potentially reverse thinning.
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.
10 citations
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January 2019 in “Skin Research and Technology” Southern Chinese women with female pattern hair loss have less, thinner hair and smaller hair follicles.
17 citations
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January 2011 in “Skin Research and Technology” Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.
July 2024 in “Journal of Investigative Dermatology” Substance P helps restore skin thickness and cell renewal when sensory nerves are reduced.
25 citations
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April 2007 in “Journal of The American Academy of Dermatology” The document suggests "anisotrichosis" as a new term for hair thickness variation in common baldness.
29 citations
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March 2008 in “Dermatologic Surgery” The Cross-section Trichometer is a new tool that can measure hair quantity and detect hair loss and growth.
100 citations
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June 2006 in “British Journal of Dermatology” Hair loss severity relates to increased miniaturization in female pattern hair loss.
November 2022 in “Nihon Nyuusankin Gakkaishi/Nihon Nyūsankin Gakkaishi” The lotion with N793 strain significantly increased hair density and reduced hair loss safely.
44 citations
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July 2011 in “Dermato-endocrinology” Thyroid hormone affects skin health, with too little causing rough, pale skin and too much leading to smooth, thin skin, and may also impact wound healing and skin conditions.
53 citations
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September 1999 in “Journal of Synchrotron Radiation” Keratinous tissues have multiple structural layers, including ordered keratin and lipid granules.
November 2023 in “Journal of Dermatological Science” A new computer tool quickly measures hair thickness differences in people with common types of hair loss.
1 citations
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June 2015 in “Experimental Dermatology” Fat may help skin health and repair, but more research is needed.
September 2022 in “World Journal of Advanced Research and Reviews” Adjust the Airtouch technique based on hair density for best coloring results.
15 citations
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February 2011 in “Experimental Dermatology” Betamethasone dipropionate reduced skin thickness, fish oil increased it, and combined treatment had no significant effect.
11 citations
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May 1998 in “Hair transplant forum international” The debate over density remains unresolved.
September 2023 in “Journal of the turkish academy of dermatology” Men with male pattern baldness had higher body fat and obesity-related measurements but similar heart fat and artery thickness compared to healthy men.
January 2005 in “Journal of Zhejiang University(Sciences Edition)” Yuyi hairless mice lose hair after birth, develop thick, loose skin with folds, and show disorganized skin structure as they age.
14 citations
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February 1982 in “American Journal of Clinical Nutrition” Hair pluckability can help assess protein nutrition status.
63 citations
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December 1998 in “Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology” The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.
January 2021 in “Journal of clinical & experimental dermatology research” LustrivaTM improves hair thickness and reduces facial wrinkles safely.
20 citations
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July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.