5 citations
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August 2019 in “International Journal of Women's Dermatology” The document concludes that it's important to recognize and treat hair loss in women of color, considering their unique hair characteristics and psychological impact.
71 citations
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May 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” TTD hair brittleness is caused by multiple structural abnormalities.
8 citations
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January 2020 in “International Journal of Trichology” Different patterns on the scalp help diagnose types of hair loss without needing a biopsy.
4 citations
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January 2019 in “Micron” Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
3 citations
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January 2020 in “Clinical dermatology review” Trichoscopy is useful for diagnosing hair and scalp disorders in people with darker skin.
2 citations
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December 2025 in “Cosmetics” Proper scalp care can improve hair health and delay ageing signs.
September 2024 in “Skin Research and Technology” AFM can help diagnose lichen planopilaris by identifying specific hair structure changes.
38 citations
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April 2016 in “The Journal of Pathology” Alkaline ceramidase 1 is crucial for healthy skin and energy balance.
1 citations
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February 2016 in “Cell Transplantation” Hair follicles have a more inactive cell cycle than other skin cells, which may help develop targeted therapies for skin diseases and cancer.
356 citations
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December 1986 in “The journal of cell biology/The Journal of cell biology” Hair and nail cells share similar proteins, indicating a common differentiation pathway.
68 citations
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August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
60 citations
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March 2006 in “Journal of Medical Genetics” A mutation in the KRTHB5 gene causes hair and nail issues.
44 citations
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August 1990 in “PubMed” Keratins K1 and K10 are found in the inner root sheath and cuticle of human hair follicles.
27 citations
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February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
21 citations
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October 2006 in “International Journal of Dermatology” Asian hair is stronger and more damage-resistant than Caucasian hair due to a thicker cuticle layer.
20 citations
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January 2015 in “Journal of cosmetic dermatology” Older people's hair cuticles get more easily damaged and lose protective oils, especially in their 40s and 50s.
16 citations
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May 2017 in “Journal of cosmetic dermatology” An unhealthy scalp can damage new hair, but using ZPT shampoo can improve hair health.
15 citations
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January 1998 Frequent blow-drying causes cracks and breakage in hair cuticles.
11 citations
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January 1981 in “Cells Tissues Organs” Human hair cuticle has five cell layers with specific junctions and granules.
10 citations
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November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
10 citations
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January 2010 in “International journal of trichology” Keratin-associated proteins are part of the developing hair fiber cuticle.
8 citations
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March 2018 in “Cosmetics” UV radiation damages hair by creating holes and peeling cuticle layers.
7 citations
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August 2006 in “Biopolymers” Researchers extracted tiny keratin filaments from human hair by unzipping its outer layer.
6 citations
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December 2018 in “International Journal of Cosmetic Science” CARB is a strong barrier in human hair that prevents dye penetration.
3 citations
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January 2015 in “Mathematical problems in engineering” Hair damage increases significantly with higher temperatures and longer heating times.
3 citations
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July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
1 citations
,
October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
1 citations
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November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
March 1997 in “Medical Molecular Morphology” Zinc deficiency causes early scalp hair damage that recovers slower than skin symptoms.