November 2014 in “British Journal of Dermatology” Male hair loss is mainly due to thinner hair, not less hair.
May 2016 in “DOAJ (DOAJ: Directory of Open Access Journals)” Asian women often experience distinct hair thinning at the top of the head.
January 2026 in “Figshare” January 2026 in “Figshare”
5 citations
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January 2020 in “Journal of Dermatology” Temporal hair loss relates to overall scalp hair loss in women.
2 citations
,
August 2019 in “International Journal of Cosmetic Science” Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
6 citations
,
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.
1 citations
,
July 2008 in “Expert Review of Dermatology” Normal hair thickness varies by scalp area and a mix of hair thicknesses is typical in healthy individuals.
December 2025 in “Reports of Morphology” Men with alopecia areata have different body fat distribution compared to healthy men.
19 citations
,
May 2004 in “The American Journal of Dermatopathology” The research found that a specific gene mutation causes fewer hair follicles and disrupted hair growth cycles, leading to thin and short hair in people with Hypotrichosis with Juvenile Macular Dystrophy.
3 citations
,
December 2017 in “Clinical and Experimental Dermatology” Reversible hair loss in a ring pattern on the scalp may be linked to changes in leptin levels in fat tissue.
February 2026 in “Nature Communications” Inhibiting connective tissue sheath contraction may improve hair growth in male pattern baldness.
30 citations
,
May 2008 in “International Journal of Dermatology” Lipedematous alopecia causes permanent hair loss due to increased scalp fat.
10 citations
,
July 2017 in “Archives of Plastic Surgery” Hair thickness decreases from the upper to lower areas of the back of the head, affecting hair transplant results.
1 citations
,
July 2015 in “Microscopy Research and Technique” Friedreich's ataxia causes thin, weak hair with surface damage and cavities.
June 2024 in “Skin Research and Technology” Severe male pattern hair loss is linked to lower hair density in the back of the head.
5 citations
,
September 2005 in “Hair transplant forum international” Nature uses midline convergence to make the center of something look denser or thicker.
35 citations
,
November 2019 in “Journal of the American Academy of Dermatology” A new variant of lichen planopilaris causing diffuse hair thinning was identified.
2 citations
,
May 2014 in “Journal of The American Academy of Dermatology” Melanoma thickness at diagnosis is linked to access to dermatologists and preventive services, not to socioeconomic status.
April 2023 in “Journal of Investigative Dermatology” Psoriasis patients did not show more brain atrophy or small vessel disease than controls, but longer psoriasis duration was linked to more brain atrophy.
September 2025 in “The American Journal of Medical Sciences and Pharmaceutical Research” Thinning and micro-graduation techniques can effectively and reversibly correct women's hairlines.
March 2026 in “Frontiers in Medicine” Diffuse unpatterned alopecia can affect donor areas, but treatment with finasteride and minoxidil can improve hair density.
June 2022 in “Our Dermatology Online” Trichoscopy is essential for early detection and monitoring of female-pattern hair loss.
20 citations
,
March 2017 in “Journal of cutaneous pathology” Shrinking of oil glands in the skin is a key sign of hair loss linked to TNF inhibitor drugs and may improve if the treatment is stopped.
33 citations
,
August 2005 in “The American Journal of Dermatopathology” Both vertical and transverse sections are useful for diagnosing alopecia, but using both methods together is best.
December 2023 in “Clinical, cosmetic and investigational dermatology” The study found that white hair in vitiligo has specific patterns and structures, which vary with the stage of the disease and may be similar to another hair condition.
July 2024 in “Journal of Investigative Dermatology” Substance P helps restore skin thickness and cell renewal when sensory nerves are reduced.
137 citations
,
July 2004 in “Journal of The American Academy of Dermatology” Horizontally sectioned scalp biopsies are more reliable for diagnosing hair loss in women when three samples are taken instead of one.
Removing SIX1 in fat cells reduces skin fibrosis.