June 2011 in “European Journal of Pediatric Dermatology” An 11-year-old girl with hair thinning was diagnosed with monilethrix and early androgenetic alopecia.
17 citations
,
October 1997 in “Australian Journal of Agricultural Research” Stocking rate affects wool follicle inactivity, not Merino strain.
44 citations
,
October 1990 in “Archives of Dermatological Research” The connective tissue around hair follicles changes structure throughout the hair cycle.
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
June 2021 in “International journal of research in dermatology” Shaving and avoiding brushing improved the patient's beard hair condition.
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.
2 citations
,
September 2008 in “International Journal of Cosmetic Science” Brushing causes more long hair breaks than combing, especially with bleached or wet hair.
June 2025 in “British Journal of Dermatology” Segmented hair color changes can indicate active alopecia areata.
June 2021 in “International journal of research in dermatology” A boy and his father with hereditary hypotrichosis simplex were treated for hair loss, but the treatment result is unknown.
2 citations
,
December 2010 in “PubMed” The new stiffness test works well for gels but not for sprays.
May 2016 in “DOAJ (DOAJ: Directory of Open Access Journals)” Asian women often experience distinct hair thinning at the top of the head.
May 2015 in “Journal of Investigative Dermatology” Melanoma risk tools need improvement, a gene mutation causes a hair disorder that might be treated by managing cell stress, a potential therapy for a skin-ear disorder involves blocking cell channels, skin wrinkling may indicate lung aging regardless of smoking, and oxidative stress might contribute to common baldness.
9 citations
,
January 1980 in “Dermatology” Hair casts may be caused by repetitive hair pulling or styling and are often misdiagnosed.
August 2021 in “Acta medica Philippina” A girl's hair loss was found to be caused by both a hair-pulling disorder and another hair loss condition.
August 2021 in “Clinical and Experimental Dermatology” Children under 10 can experience hair thinning without hormone issues, and it may improve with treatment.
1 citations
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February 2009 in “Journal of Investigative Dermatology” Lipase H is important for hair follicle function and shaping hair fibers.
April 2018 in “Journal of Investigative Dermatology” African spiny mice can regenerate skin and hair after wounds due to specific tissue mechanics.
January 2026 in “Health Science Reports” Personalized hair care can help manage hair-focused repetitive behaviors.
1 citations
,
September 2021 in “CRC Press eBooks” Frontal Fibrosing Alopecia is a hair loss condition mainly affecting postmenopausal women, with unclear causes and various clinical patterns.
18 citations
,
January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
October 2022 in “Journal of Natural Fibers”
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
60 citations
,
April 2018 in “Clinical, cosmetic and investigational dermatology” Tight hairstyles and chemical relaxers can cause hair loss known as traction alopecia.
Hair movement can indicate hair quality and health.
January 2018 in “Indian Dermatology Online Journal” Trichoscopy can help tell the difference between artificial hair fibers and other scalp artifacts.
10 citations
,
January 2017 in “Skin appendage disorders” Emotional stress can trigger intermittent hair loss in chronic telogen effluvium, which may not improve with treatment if stress continues.
1 citations
,
March 2019 in “International Journal of Cosmetic Science” The model predicts hair breakage based on key hair properties and helps product developers.
13 citations
,
January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
Malnourished people have weaker hair that is easier to pluck.
23 citations
,
April 2006 in “Skin Research and Technology” The study concluded that a special imaging technique showed women with hair loss have slower hair growth and a faulty hair replacement cycle.