Malnourished people have weaker hair that is easier to pluck.
95 citations
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January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
September 1972 in “大会学術講演梗概集. 構造系” The document explains common hair disorders and the basics of hair anatomy and life cycle.
January 1991 in “Linchuang pifuke zazhi” East and Southeast Asians typically have less dense but thicker, straight black hair.
January 2007 in “한국미용학회지” People with hair loss have smaller hair roots and less fat tissue.
1 citations
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March 2022 in “Irish Journal of Medical Science” Men with androgenetic alopecia and hypertension may experience more severe COVID-19.
February 2026 in “International Journal of Clinical Dermatology” A multi-drug treatment can effectively clear extensive calcinosis in juvenile dermatomyositis.
Skin changes can reveal serious hormone-related diseases, helping save lives.
July 2025 in “Journal of Investigative Dermatology” Androgens reduce THY1 in skin cells, leading to less fat, more fibrosis, and worse healing in males.
July 2020 in “Experimental Dermatology” Aging causes hair thinning in women due to changes in the scalp environment.
4 citations
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November 2004 in “Clinical and Experimental Dermatology” Hair length and thickness are related, with thickness peaking at about a quarter of the hair's maximum length.
4 citations
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November 2016 in “The Journal of Dermatology” Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.
2 citations
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April 2023 in “Archives of Aesthetic Plastic Surgery” The phototrichogram is better for measuring hair thickness.
41 citations
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December 2008 in “International Journal of Dermatology” South Korean women with hair loss have lower hair density and thickness compared to healthy women.
2 citations
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January 2010 Tianzhu white yak hair varies in structure and density between fuzz and coarse hair.
Different methods like wigs, extensions, and devices can help improve hair volume for thinning hair.
17 citations
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October 1981 in “American Journal of Clinical Nutrition” Malnourished people have weaker hair that is easier to pluck.
1 citations
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December 2018 in “Journal of Cosmetic Dermatology” Men with thinner hair from genetic hair loss may be more likely to have an enlarged prostate.
November 2014 in “British Journal of Dermatology” Hair loss is due to thinner hairs, not less hairs; hair diameter indicates balding progression and treatment effectiveness.
August 1994 in “Journal of Dermatological Science” 20 citations
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March 2015 in “Archives of Plastic Surgery” Facelifts for Asians are challenging due to thicker, heavier skin.
3 citations
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May 2011 in “Facial plastic surgery clinics of North America” Laser treatments can effectively reduce fine wrinkles and improve skin texture.
September 2011 in “Daehan miyong hakoeji” Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.
1 citations
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March 2007 in “Hair transplant forum international” Use hair-styling methods to hide thinning hair after surgery in women.
1 citations
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May 2019 in “Journal of The European Academy of Dermatology and Venereology” New method, hair distribution width (HDW), improves accuracy in diagnosing androgenetic alopecia (AGA).
December 2025 in “Russian Journal of Skin and Venereal Diseases” Thinner hair follicle structures are linked to non-scar alopecia.
30 citations
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March 2015 in “Journal of Dermatology” Hair thickness differences help diagnose hair loss severity.
January 2016 in “프로그램북(구 초록집)” The thulium laser and PDRN injections effectively improved hair thickness in patients with pattern hair loss.
3 citations
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August 2022 in “Cutis” Certain nail conditions can suggest thyroid problems, with different symptoms for underactive (slow, thin nails) and overactive (spoon-shaped, brittle nails) thyroid.