35 citations
,
July 2018 in “Cell Reports” The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.
35 citations
,
April 2008 in “Journal of Biological Chemistry” Hirosaki hairless rats lack hair due to missing DNA with key keratin genes.
31 citations
,
August 2000 in “Journal of Investigative Dermatology” Stem cells are key for hair follicle recovery.
14 citations
,
December 2016 in “PloS one” Keratin 26 affects cashmere goat hair growth and is influenced by various treatments.
9 citations
,
April 2019 in “Journal of Structural Biology” Keratin fibers in hair twist left-handed.
9 citations
,
January 2017 in “Annals of Dermatology” The study found genetic differences related to hair development that may explain hair loss in a patient with Trichorhinophalangeal syndrome type I.
8 citations
,
July 2020 in “BMC genomics” The research found genes that change during cashmere goat hair growth and could help determine the best time to harvest cashmere.
6 citations
,
April 2022 in “Frontiers in cell and developmental biology” The research identified key proteins and genes that may influence wool bending in goats.
5 citations
,
February 2022 in “Seminars in cell & developmental biology” Recent findings suggest that genetic factors, immune system issues, and skin cell defects might contribute to the development of hidradenitis suppurativa.
5 citations
,
January 2017 in “Elsevier eBooks” The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.
3 citations
,
September 2021 in “Data in brief” Bleaching hair changes its structure and weakens it, which is important for understanding hair damage and creating treatments.
2 citations
,
March 2019 in “Journal of Histochemistry and Cytochemistry” Neuronatin is found in specific cells within rat testis, hair follicles, tongue, and pancreas, suggesting it has various roles in tissue development and function.
1 citations
,
February 2009 in “Journal of Investigative Dermatology” VEGF helps squamous cell carcinoma grow in ways beyond just blood vessel formation.
December 2025 in “The Journal of Cell Biology” Keratin 15 helps maintain skin cell growth and repair.
July 2025 in “Scientific Reports” Fermented grapeseed oil effectively repairs and protects chemically damaged hair.
Hair analysis can help identify specific minerals and amino acids linked to various diseases.
May 2024 in “Proteome science” Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.
October 2023 in “International Journal of Cosmetic Science” WS Biotin, a new form of D-Biotin, improves water solubility and shows potential for hair and skin care without being toxic at low levels.
Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
36 citations
,
September 2013 in “PLoS ONE” Sweat gland stem cells help maintain glands, aid wound healing, and can regenerate skin structures.
1 citations
,
July 2009 in “Journal of dermatology” A 29-year-old man had a jaw plaque diagnosed as follicular mucinosis, linked to nestin-positive hair follicle stem cells.
January 2019 in “Elsevier eBooks” Different hair disorders have specific treatments and outcomes, with some resolving on their own and others requiring medication or emotional support.
319 citations
,
November 2005 in “Proceedings of the National Academy of Sciences” Hair follicle stem cells can help repair damaged nerves.
263 citations
,
February 2011 in “Journal of Controlled Release” Medium-sized particles penetrate hair follicles better than smaller or larger ones, which could improve delivery of skin treatments.
131 citations
,
July 2009 in “Experimental Dermatology” The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.
51 citations
,
February 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
48 citations
,
July 2019 in “International Journal of Biological Macromolecules” A new hydrogel with stem cells from human umbilical cords improves skin wound healing and reduces inflammation.
43 citations
,
December 2008 in “Molecular biology of the cell” Disrupting Smad4 in mouse skin causes early hair follicle stem cell activity that leads to their eventual depletion.
31 citations
,
August 2005 in “The American Journal of Dermatopathology” The study concluded that PKP1 is essential for skin integrity and hair growth, and its dysfunction causes the symptoms of ectodermal dysplasia/skin fragility syndrome.