95 citations
,
January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
36 citations
,
September 1996 in “PubMed” DP and DS cells are different from DF cells in structure and function.
22 citations
,
May 1986 in “Clinics in endocrinology and metabolism” Certain finger length ratios and body hair patterns may predict side effects from birth control pills in women.
1 citations
,
January 2024 in “Annals of Dermatology” Examining hair shape can help predict Alopecia Areata's progression.
1 citations
,
May 2025 in “International Journal of Dermatology” 11 citations
,
March 2023 in “Frontiers in Nutrition” Hair analysis can detect small changes in dietary zinc intake.
8 citations
,
October 2020 in “Infant behavior & development” Collecting hair for cortisol analysis is possible in low-income mother-toddler pairs.
69 citations
,
January 2015 in “Current problems in dermatology” Trichoscopy is a quick, noninvasive method to diagnose hair and scalp disorders, often reducing the need for biopsies.
17 citations
,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
95 citations
,
October 2007 in “International Journal of Dermatology” A new method accurately classifies hair types, showing global hair diversity.
January 2026 in “Skin Appendage Disorders” The trichogram is a practical, non-invasive, and cost-effective tool for diagnosing female androgenetic alopecia.
42 citations
,
January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
86 citations
,
February 2003 in “Journal of The American Academy of Dermatology” New methods improve how we test hair growth treatments, but challenges like slow hair changes and high costs remain.
16 citations
,
November 2005 in “Journal of Clinical Pathology” CD1d expression in scalp skin and hair follicles changes with the hair cycle and may help protect against microbes.
20 citations
,
July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
March 2014 in “CRC Press eBooks” Human head hair can grow very long and is thicker than most body hair.
December 2023 in “International Journal of Medical Sciences And Clinical Research” Dermoscopy is a useful tool for diagnosing female pattern hair loss.
106 citations
,
June 2005 in “Journal of Investigative Dermatology” The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.
33 citations
,
March 2006 in “Seminars in cutaneous medicine and surgery” The document explains how to identify different hair problems using a microscope.
22 citations
,
February 2008 in “Biochemical and Biophysical Research Communications” Androgen effects on hair follicles vary by skin area.
7 citations
,
June 2015 in “The anatomical record” Hexi cashmere goats' hair growth varies by stage, with Hoxc13 linked to hair activity.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
April 2012 in “The Journal of Urology” Male pattern baldness may predict prostate cancer risk.
September 2021 in “International Journal of Epidemiology” The study concluded that examining the scalp with a special magnifying device helps diagnose the cause of widespread hair loss in adult women.
26 citations
,
April 2010 in “The American journal of dermatopathology/American journal of dermatopathology” Researchers created a standard system to grade hair damage using microscopic images.
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.
1 citations
,
December 2022 in “JAMA Dermatology” The AI system HairComb accurately scores hair loss severity, matching dermatologist assessments.
69 citations
,
August 1988 in “Journal of Investigative Dermatology”
41 citations
,
June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
March 2026 in “Mendeley Data” rwSALT accurately measures hair regrowth in alopecia areata using scalp photos.