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.
17 citations
,
December 2002 in “Biochemical and biophysical research communications” Scientists found out how a specific protein in human hair cuticles behaves and is structured.
23 citations
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December 2020 in “Frontiers in Cell and Developmental Biology” Gene network oscillations inside hair stem cells are key for hair growth regulation and could help treat hair loss.
1 citations
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January 2023 in “Journal of Pharmacognosy and Phytochemistry” Dracaena trifasciata can be used in traditional medicine and its authenticity can be verified.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
1 citations
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November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
December 2025 in “The American Journal of Medical Sciences and Pharmaceutical Research” Ultrasonic and infrared treatments can improve hair strength and appearance with minimal damage.
7 citations
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April 2018 in “Cosmetics” Lipids in Japanese hair help maintain glossiness and structure.
March 2026 in “Medical Lasers” Adjusting hair dryer settings improves drying efficiency and keeps hair healthy.
28 citations
,
November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
21 citations
,
April 1982 in “Genetics Research” Mice with the naked gene have missing or abnormal hair cells.
18 citations
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November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
9 citations
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April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
7 citations
,
August 2018 in “Journal of cosmetic dermatology” Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.
4 citations
,
January 2017 in “Biological & pharmaceutical bulletin” Inhibiting ALOX12 can help hair cuticle maturation by increasing S100A3 citrullination.
1 citations
,
January 2018 in “Journal of microscopy and ultrastructure” The method can identify minerals in hair from water, and using coconut oil or conditioner can prevent mineral buildup.
24 citations
,
November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
3 citations
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January 1998 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.
60 citations
,
December 2003 in “Journal of Investigative Dermatology” K6hf is found in specific parts of hair follicles, nails, and tongue, and is linked to hair growth and structure.
52 citations
,
August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
42 citations
,
January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
38 citations
,
December 2006 in “Journal of Investigative Dermatology” Keratin patterns in hair follicles help understand hair growth and potential hair and nail disorders.
19 citations
,
July 2011 in “Microscopy and Microanalysis” The hair follicle bulge is an important area for adult stem cells involved in hair growth and repair, with potential for medical use needing more research.
3 citations
,
April 2011 in “Microscopy research and technique” Teratoma hair is similar to scalp hair but has a rougher surface and lower adhesive force.
1 citations
,
January 2021 in “Pakistan journal of zoology” Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.
Hair fibers degrade and change color in very basic water.
September 2017 in “Journal of Investigative Dermatology” Hair care products used for 4 weeks made hair smoother.
73 citations
,
May 2009 in “Proceedings of the National Academy of Sciences” Disrupting the Sox21 gene in mice causes hair loss and regrowth cycles.
13 citations
,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
13 citations
,
March 2006 in “International Journal of Cosmetic Science” The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.