May 2026 in “Journal of Basic and Clinical Health Sciences” FAGA shows varied hair thickness, while TE has more empty follicles.
3D-ultrasound can non-invasively detect and predict alopecia areata phases and outcomes.
10 citations
,
January 2011 in “Journal of biomedical optics” OCT is a reliable, noninvasive way to measure hair thickness.
90 citations
,
October 1983 in “British Journal of Dermatology” The unit area trichogram is a reliable method to assess hair loss and treatment response in people with androgenic alopecia by measuring hair density and thickness.
November 2005 in “NEJM Journal Watch” Hair count is important to distinguish between genetic hair thinning (Androgenetic Alopecia) and hair thinning caused by disrupted hair growth (Chronic Telogen Effluvium).
June 2022 in “Our Dermatology Online” Trichoscopy is essential for early detection and monitoring of female-pattern hair loss.
4 citations
,
June 1990 in “PubMed” Hair protein differences help identify species and individuals in forensic science.
January 2006 in “Seibutsu Butsuri” Curly and straight hair differ in how their internal fibers are arranged.
September 2024 in “Meditsinskiy sovet = Medical Council” As women age, hair follicles decrease in number and hair width tends to reduce.
21 citations
,
April 2004 in “Australasian Journal of Dermatology” A 3-year-old girl has a rare condition causing sparse hair and nail issues, with minimal improvement from treatment.
February 2009 in “Journal of The American Academy of Dermatology” Female hair loss can be diagnosed using specific trichoscopy criteria.
Afro-textured hair needs specialized care due to its unique genetic and structural properties.
1 citations
,
July 2010 in “Dermatologic Surgery” Splitting one hair follicle into two can help regrow hair with a 50% to 70% success rate, useful when donor hair is limited.
18 citations
,
April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin patterns are formed by simple reaction-diffusion mechanisms.
38 citations
,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
February 2022 in “International journal of research in dermatology” The document concludes that proper diagnosis and treatment of hair shaft disorders require understanding their unique causes and avoiding hair-damaging practices.
4 citations
,
April 1983 in “The Journal of Dermatology” A 15-year-old girl with hypothyroidism had excess hair and skin issues due to blocked hair follicles.
139 citations
,
July 1991 in “Journal of The American Academy of Dermatology” Understanding hair follicle anatomy helps diagnose hair disorders.
39 citations
,
October 1967 in “British Journal of Dermatology” Hair loss in women often doesn't follow a pattern, isn't linked to age, may be genetic, and can be related to thyroid issues or other health factors.
August 2025 in “Skin Appendage Disorders” Topical minoxidil can help improve hair in trichonodosis.
1 citations
,
May 2002 in “British Journal of Dermatology” Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
March 2026 in “Skin Appendage Disorders” Diagnosing and treating monilethrix is challenging when it occurs with other hair disorders.
May 2015 in “Journal of the American Academy of Dermatology” New hair after alopecia areata can be thinner and change color but usually keeps the same shape.
July 2019 in “Indian dermatology online journal” Alopecia areata can show unusual red-dotted vessels and dithranol treatment may mask typical patterns.
42 citations
,
September 1985 in “British Journal of Dermatology” Trichothiodystrophy causes abnormal protein deposits and distortion in hair follicles.
February 2012 in “Clinical and Experimental Dermatology” Many adult women experience unexplained excessive hair shedding, often starting before age 40.
42 citations
,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
May 2002 in “British Journal of Dermatology” Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
Caucasian and Mediterranean hair is denser and varies in color and texture compared to African and Asian hair.
March 2025 in “International Journal of Trichology” Oral minoxidil improved hair thickness in a person with monilethrix.