3 citations
,
March 2009 in “Hirosaki University Repository for Academic Resources (Hirosaki University)” Hirosaki hairless rats have sparse, twisted hair due to missing hair keratin genes.
September 2023 in “Cutis” A baby girl has a hair disorder called monilethrix, causing fragile hair that may improve over time.
28 citations
,
December 2002 in “Der Hautarzt” TrichoScan accurately measures hair growth and loss, showing increased hair counts and thickness with treatment.
57 citations
,
November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
7 citations
,
July 2025 in “The Journal of Physiology” C-tactile nerves are sensitive to hair movement.
3 citations
,
January 1998 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
7 citations
,
January 2005 in “Dermatology” A new method for studying hair follicles is easier and more precise, useful for hair loss and cancer treatment research.
4 citations
,
April 2001 in “Experimental Dermatology” Using single dermal papillae is unreliable for analyzing androgen metabolism in hair follicles.
74 citations
,
July 2008 in “Journal of Dermatological Case Reports” Trichoscopy is a quick and easy way to diagnose most genetic hair problems without invasive methods.
68 citations
,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
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.
17 citations
,
June 2002 in “Dermatologic Surgery” Chinese patients have fewer hair follicles than Caucasians, and transplanting hair at 40% of normal density works for natural-looking hairlines.
1 citations
,
June 2023 in “Journal of applied crystallography” The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
2 citations
,
December 2023 in “Royal Society of Chemistry eBooks” Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
April 2017 in “Journal of Investigative Dermatology” Scientists created a tiny, 3D model of a hair follicle that grows and acts like a real one.
16 citations
,
January 2015 in “Annals of Dermatology” The study found specific hair and scalp patterns for different types of hair loss in Koreans, noting racial differences affect diagnosis.
47 citations
,
September 2008 in “British Journal of Dermatology” Ludwig pattern hair loss in women results from varying sensitivity in hair follicles, causing fewer visible hairs.
1 citations
,
July 2015 in “Microscopy Research and Technique” Friedreich's ataxia causes thin, weak hair with surface damage and cavities.
11 citations
,
December 2016 in “Frontiers in Psychology” Hair style affects perceptions of age, health, and attractiveness more than hair color does.
27 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
January 2015 in “Springer eBooks” Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.
38 citations
,
November 2005 in “Journal of Investigative Dermatology Symposium Proceedings”
85 citations
,
February 1989 in “Journal of The American Academy of Dermatology” Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.
58 citations
,
April 2009 in “Dermatologic Surgery” Most women have a widow's peak and specific hairline features useful for designing hair restoration surgery.
1 citations
,
October 2022 in “international journal of endocrinology and metabolism” People with hypothyroidism and hair loss often have more hair and scalp issues than those without thyroid problems.
January 1991 in “Journal of Society of Cosmetic Chemists of Japan” Hair treatments can damage hair by changing its chemical content.
30 citations
,
October 2014 in “Experimental Dermatology” Leptin from skin fat can slow hair growth during certain phases.
The trichotillometer is a simple, effective tool for diagnosing and assessing female pattern hair loss.