A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
15 citations
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December 1972 in “Journal of Investigative Dermatology” 26 citations
,
August 2014 in “Veterinary Dermatology” Sphynx cats have abnormal hair follicles and keratinization affecting their skin.
58 citations
,
November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.
8 citations
,
August 1993 in “Colloid & Polymer Science” The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.
5 citations
,
January 1979 in “Archives of Dermatological Research”
September 1998 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” The document concludes that individualized treatments for hair issues are effective, certain hair changes can indicate neurocutaneous diseases, specific lotions improve skin health, laser hair removal works but needs more study on long-term effects, men's cosmetics are diverse, peeling is effective but can have side effects, and facial pigmentation is often due to overactive skin cells.
December 2022 in “The Turkish Journal of Pediatrics” Hair examination helps diagnose rare neurological diseases in children.
33 citations
,
March 2006 in “Seminars in cutaneous medicine and surgery” The document explains how to identify different hair problems using a microscope.
April 2019 in “Progress in Crystal Growth and Characterization of Materials” Hair grows like a crystal at a solid-liquid interface without cell division.
20 citations
,
July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
32 citations
,
March 2016 in “American Journal of Physical Anthropology” African hair is curled, Asian hair is thick, European hair is lighter, and chemical methods help identify hair color differences.
January 2026 in “International Society of Hair Restoration Surgery” 1 citations
,
January 2014 in “Medical Entomology and Zoology”
10 citations
,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
20 citations
,
January 1997 in “Dermatology” The patient with EEC syndrome had scarring alopecia due to deep folliculitis, possibly linked to abnormal hair structure.
Coconut oil can damage hair by clogging pores, causing frizz, and disrupting moisture balance.
90 citations
,
January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
33 citations
,
August 1985 in “Archives of Dermatology” Acquired Progressive Kinking of Hair is likely an early sign of male pattern baldness.
2 citations
,
February 2021 in “FEBS open bio” Human hair keratins K85 and K35 create unique filament patterns important for early hair formation.
3 citations
,
January 2020 in “JAAD Case Reports” A girl had two rare hair conditions that helped understand their overlap.
26 citations
,
September 1990 in “Ophthalmology” The study found no common cause for a girl's crystalline cataract and uncombable hair, suggesting their co-occurrence might be coincidental.
1 citations
,
October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
1 citations
,
May 2024 in “Tạp chí Nghiên cứu Y học” Eclipta prostrata extract significantly promotes hair growth in rats.
1 citations
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January 2024 in “Annals of Dermatology” Examining hair shape can help predict Alopecia Areata's progression.
4 citations
,
November 2016 in “The Journal of Dermatology” Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.
17 citations
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February 2015 in “Experimental Dermatology” Keratins are crucial for hair strength, and mutations in certain keratin genes cause hair disorders.
September 2016 in “Journal of The American Academy of Dermatology” The girl has a genetic hair condition causing thin hair since childhood.
1 citations
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September 2008 in “International Journal of Cosmetic Science” Cassia HPTC is an effective hair conditioner, better than some traditional formulas.