July 2012 in “International Journal of Trichology” Understanding hair health and disorders is important for effective treatment.
February 2026 in “International Journal of Nanomedicine” Engineered exosomes with EGF and FGF improved hair growth in mice with hair loss.
April 2024 in “Communications biology” Enzymes involved in Vitamin A metabolism affect hair growth and type in mice.
660 citations
,
December 2011 in “Cell” Different hair follicles in the skin are innervated by unique combinations of mechanosensory neurons, crucial for touch sensation.
149 citations
,
June 2010 in “The FASEB journal” miR-31 regulates hair growth by controlling gene expression in hair follicles.
101 citations
,
October 2007 in “Journal of Biological Chemistry” Reduced matriptase activity causes skin and hair issues in both humans and mice.
1 citations
,
September 2025 in “Frontiers in Veterinary Science” Ganxi goats' skin and hair adapt to heat and humidity, possibly aided by GSDMA protein.
1 citations
,
July 2025 in “Frontiers in Pharmacology” FMH foods may help manage post-acute COVID-19 symptoms safely and easily.
January 2023 in “Karger Kompass. Dermatologie” Scientists are still unsure what triggers the immune system to attack hair follicles in Alopecia areata.
April 2026 in “Cosmetics” The shampoo effectively covers gray hair gradually and maintains color after multiple washes.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
22 citations
,
September 1998 in “PubMed” Panax ginseng helps prevent hair follicle cell death and speeds up hair cell recovery after radiation in mice.
9 citations
,
September 2016 in “Forensic science international” Hair area varies with age and sex, but hair index and medullary index do not.
7 citations
,
April 2018 in “Cosmetics” Lipids in Japanese hair help maintain glossiness and structure.
7 citations
,
December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
4 citations
,
January 1981 in “PubMed” Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.
April 2020 in “The FASEB Journal” Testosterone increases heart and blood pressure issues in rats with endotoxemia, and stopping testosterone production can reduce these problems.
March 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Beard hair medulla cells have a unique and varied keratin pattern.
4 citations
,
September 2019 in “Journal of Biomedical Optics” Medulla loss in scalp hair could help detect breast cancer.
1 citations
,
April 2019 in “PubMed” The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.
1 citations
,
September 2018 in “International journal of research - granthaalayah” Human hair medulla doesn't break down hydrogen peroxide, which may affect hair color formation.
17 citations
,
April 2007 in “Kidney international” Vitamin D boosts a specific gene activity in kidney cells that could improve heart and kidney function.
September 2025 in “International Journal of Ayurvedic Medicine” Hair medulla patterns vary by Prakruti type, affecting hair strength.
3 citations
,
March 2009 in “Hirosaki University Repository for Academic Resources (Hirosaki University)” Hirosaki hairless rats have sparse, twisted hair due to missing hair keratin genes.
1 citations
,
July 2014 in “International Journal of Dermatology” A cancer patient developed a type of hair loss after starting a cancer drug called vandetanib.
August 2025 in “Seminars in Nephrology” Regenerative repair is essential to prevent long-term kidney function issues after obstruction.
6 citations
,
February 2013 in “British Journal of Dermatology” Androgens significantly regulate hair keratin K37 expression.
3 citations
,
July 2019 in “Fibers And Polymers/Fibers and polymers” May 2010 in “Journal of Investigative Dermatology” 49 citations
,
January 1972 in “Biochimica et Biophysica Acta (BBA) - Protein Structure”