2 citations
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January 2004 in “PubMed” Conditioners with PQ-10 soften the flat part of hair cuticles but harden the edges.
30 citations
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July 2000 in “PubMed” Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
15 citations
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August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.
14 citations
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May 2017 in “InTech eBooks” Hair is important for protection, social interaction, and temperature control, and is made of a growth cycle-influenced follicle and a complex shaft.
April 2024 in “Cosmetics” Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.
84 citations
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April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
38 citations
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January 2014 in “Journal of Dermatological Science” Krtap11-1 is important for hair strength and structure.
30 citations
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August 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” TGase 3 helps build hair structure by forming strong bonds between proteins.
5 citations
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December 2020 in “International journal of biological macromolecules” Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.
5 citations
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February 2007 in “Cytology and genetics” Gene expression regulates keratin production for normal hair growth.
4 citations
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December 2020 in “Mammalian genome” Harlequin mutant mice have hair loss due to low AIF protein levels and retroviral element activity.
February 2026 in “International Journal of Molecular Sciences” PDLLA filler can improve hair thickness and shine by reducing age-related hair decline.
Surgical repigmentation can permanently restore color to white hair in vitiligo patients.
102 citations
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July 2020 in “International journal of molecular sciences” Hormones like testosterone and estrogen significantly affect hair growth and structure.
30 citations
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February 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Plet-1 protein helps hair follicle cells move and stick to tissues.
25 citations
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August 2010 in “Acta Biomaterialia” Researchers developed a method to grow hair follicle cells for transplantation using a special chip.
13 citations
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April 2019 in “iScience” EGFR helps control how hair grows and forms without needing p53 protein.
10 citations
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January 2010 in “International journal of trichology” Keratin-associated proteins are part of the developing hair fiber cuticle.
4 citations
,
June 2022 in “Frontiers in Cell and Developmental Biology” Plant extracts might help control stem cell growth for medical use.
November 2025 in “Bioactive Materials” TQC shows promise for better hair regrowth in treating hair loss.
May 2025 in “Journal of Inflammation Research” Natural killer and CD8+ T cells play a key role in hair loss in androgenetic alopecia.
March 2024 in “Tissue and cell/Tissue & cell” Telomerase-positive cells are mainly in the bulb matrix and outer root sheath of hair follicles.
January 2018 in “Elsevier eBooks” The document concludes that alopecia has significant social and psychological effects, leading to a market for hair loss treatments.
January 1981 in “The Journal of Toxicological Sciences” Hydrocortisone 17-butyrate 21-propionate ointment caused reversible side effects like skin issues, weight gain, and organ changes in dogs.
70 citations
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February 2007 in “Journal of Investigative Dermatology” K39 and K40 are the last keratins expressed in hair development, completing the hair keratin catalog.
29 citations
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August 1999 in “Journal of Investigative Dermatology” New mutations in hair keratin genes cause the rare hair disorder monilethrix.
5 citations
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August 2005 in “Archives of Dermatological Research” HSPC016 gene is important for hair growth.
161 citations
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August 2012 in “Seminars in cell & developmental biology” Hair growth and development are controlled by specific signaling pathways.
3 citations
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March 2023 in “Scientific Reports” Researchers developed a new method to test hair growth drugs and found that adult cells are best for hair growth, but the method needs improvement as it didn't create mature hair follicles.
156 citations
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January 1989 in “Genes & Development” Keratin expression reflects cell organization and differentiation, not causes it.