73 citations
,
October 2013 in “International Journal of Cosmetic Science” Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.
42 citations
,
January 2014 in “BMC Genomics” Cetaceans lost hair genes to adapt to water.
23 citations
,
June 2016 in “FEBS Journal” Boosting β-catenin signaling in certain skin cells can enhance hair growth.
15 citations
,
February 2006 in “Journal of Investigative Dermatology” More research is needed to understand and treat cicatricial alopecias.
12 citations
,
January 2021 in “Cell Transplantation” Baby teeth stem cells can help grow hair in mice.
11 citations
,
March 2023 in “Frontiers in Nutrition” Hair analysis can detect small changes in dietary zinc intake.
10 citations
,
November 2024 in “Animals” More research is needed to improve wool and cashmere quality through genetics.
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.
1 citations
,
January 2022 in “Faculty reviews” The best long-lasting results in treating hair loss may be achieved through combination therapy, including treatments like finasteride, minoxidil, and platelet-rich plasma injections.
November 2025 in “Wiley Interdisciplinary Reviews Forensic Science” Hair testing is a useful method for detecting past substance use and recent advancements improve its accuracy and reliability.
April 2025 in “Materials Today Bio” A new treatment using gold nanoclusters can safely reduce unwanted hair growth.
February 2025 in “Animals” Understanding proteins in skin structures like claws and hair is crucial for future research.
April 2024 in “Communications biology” Enzymes involved in Vitamin A metabolism affect hair growth and type in mice.
October 2020 in “Authorea (Authorea)” Men and women react differently to opioids, with hormones potentially influencing these differences.
January 2017 in “Journal of Investigative Dermatology Symposium Proceedings” The 2015 Hair Research Congress concluded that stem cells, maraviroc, and simvastatin could potentially treat Alopecia Areata, topical minoxidil, finasteride, and steroids could treat Frontal Fibrosing Alopecia, and PTGDR2 antagonists could also treat alopecia. They also found that low-level light therapy could help with hair loss, a robotic device could assist in hair extraction, and nutrition could aid hair growth. They suggested that Alopecia Areata is an inflammatory disorder, not a single disease, indicating a need for personalized treatments.
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.
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.
60 citations
,
December 2003 in “Journal of Investigative Dermatology” K6hf is found in specific parts of hair follicles, nails, and tongue, and is linked to hair growth and structure.
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.
21 citations
,
November 2010 in “Journal of molecular medicine” FoxN1 gene is essential for proper thymus structure and preventing hair loss.
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.
87 citations
,
July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.