February 2026 in “International Journal of Molecular Sciences” PDLLA filler can improve hair thickness and shine by reducing age-related hair decline.
73 citations
,
May 2009 in “Proceedings of the National Academy of Sciences” Disrupting the Sox21 gene in mice causes hair loss and regrowth cycles.
48 citations
,
November 2002 in “Journal of biological chemistry/The Journal of biological chemistry” Genetic variations in hair keratin proteins exist but don't significantly affect hair structure.
47 citations
,
July 1998 in “Journal of Investigative Dermatology” A new mutation, Glu402Lys, in hair keratin is linked to variable symptoms of monilethrix.
27 citations
,
May 2019 in “Cosmetics” The hair cuticle is made of tough proteins that protect the hair, but more research is needed to fully understand its structure.
11 citations
,
October 2002 in “Genetics” A new mouse hair mutation, called hague, is semidominant and unstable, but the exact cause is unknown.
November 2025 in “Scientific Reports” COVID-19 may cause hair loss by affecting hair follicles.
29 citations
,
April 2003 in “Experimental dermatology” Human hair follicles grown in vitro maintain normal keratin patterns and structure.
85 citations
,
June 2017 in “Journal of Investigative Dermatology” Blimp1 is crucial for hair follicle growth and skin health.
52 citations
,
May 2006 in “Journal of Structural Biology” Keratin-associated proteins help link filaments and affect keratin's strength.
10 citations
,
September 2022 in “Psychiatry and Clinical Neurosciences” Long COVID affects over half of COVID-19 survivors, causing a range of symptoms like fatigue and neurological issues, with no specific treatment yet.
8 citations
,
July 2022 in “BMC neuroscience” Transplanted hair follicle stem cells improved brain function and reduced damage after a stroke in rats.
3 citations
,
November 2021 in “Applied Microscopy” Hair microscopy is a simple and cost-effective method to help diagnose systemic diseases in children.
2 citations
,
January 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.
1 citations
,
July 2024 in “International Journal of Molecular Sciences” Effective delivery systems are crucial for siRNA hair loss treatments to work better.
November 2025 in “Bioactive Materials” TQC shows promise for better hair regrowth in treating hair loss.
February 2025 in “International Journal of Molecular Sciences” Altered lipid pathways in diabetic women may cause premature greying.
May 2024 in “Journal of functional foods” Coffee bean residue extract helps hair growth by activating cell processes.
April 2023 in “Pharmacognosy Magazine” Cerasus serrulata flower extracts can help turn grey hair black again.
August 2025 in “Biomolecules” Fibroblast growth factors could be a better, safer treatment for hair loss than current options.
July 2023 in “Frontiers in Veterinary Science” Melatonin helps hair grow by activating the RORα receptor in goats.
97 citations
,
March 2010 in “The American Journal of Human Genetics” A mutation in the KRT74 gene causes tightly curled hair.
79 citations
,
March 2005 in “Journal of Medical Genetics” A mutation in the hHb3 gene is linked to the hair disorder monilethrix.
January 2025 in “BMC Genomics” Key genes and RNA networks regulate hair growth and follicle density in Rex rabbits.
Nanocarriers with plant extracts show promise for safe and effective hair growth treatment.
11 citations
,
May 2023 in “Proceedings of the National Academy of Sciences” MicroRNA-205 helps hair regrow by making hair follicle stem cells less stiff.
106 citations
,
January 2013 in “Clinical and Developmental Immunology” Alopecia areata is caused by immune system attacks on hair follicles, often triggered by viral infections.
86 citations
,
May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
3 citations
,
July 2023 in “Frontiers in Aging” Hair follicle stem cells change states with age, affecting hair growth and aging.
2 citations
,
August 2023 in “Marine drugs” Collagen from tilapia scales may improve hair and skin health by reducing stress and inflammation and encouraging hair growth.