February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
January 2025 in “Scientific Reports” Hair analysis can show changes in vitamin D levels over time.
April 2024 in “Communications biology” Enzymes involved in Vitamin A metabolism affect hair growth and type in mice.
October 2023 in “Cell & bioscience” A special gene region controls the re-emergence of a primitive wool type in Merino sheep, improving their wool yield and adaptability.
September 2023 in “Animals” Hair follicle development in cashmere goats involves dynamic changes in proteins and metabolites, with key roles for oxytocin, MAPK, and Ca2+ pathways.
September 2023 in “Biomedicines” Squalene may be a marker for certain types of alopecia.
Skin stem cells in hair follicles are important for touch sensation.
Hair follicle stem cells are crucial for touch sensation and proper nerve structure in mice.
December 2025 in “Current Issues in Molecular Biology” Cytarabine can cause multiple organ toxicities, especially neurotoxicity, but better research methods are needed to fully understand and predict these effects.
October 2022 in “Frontiers in Endocrinology” New tools show that in fish, NPY increases feeding and somatostatin decreases it.
97 citations
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March 2010 in “The American Journal of Human Genetics” A mutation in the KRT74 gene causes tightly curled hair.
67 citations
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September 2017 in “Cell Reports” Caloric restriction improves skin and fur structure but can cause muscle loss and movement issues.
21 citations
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January 2020 in “Conservation Physiology” Hair follicles increase hair cortisol levels, so consistent hair collection methods are important.
15 citations
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February 2006 in “Journal of Investigative Dermatology” More research is needed to understand and treat cicatricial alopecias.
9 citations
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August 2021 in “Journal of clinical medicine” Pili torti is a rare condition where hair is twisted and breaks easily, often linked to genetic disorders or other health issues.
5 citations
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August 2025 in “Journal of Radiation Research” Understanding skin reactions to radiation has improved, helping to reduce injuries and prevent skin cancer.
1 citations
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July 2024 in “International Journal of Molecular Sciences” Effective delivery systems are crucial for siRNA hair loss treatments to work better.
January 2026 in “Cosmetics” New regenerative treatments show promise in improving hair growth for androgenetic alopecia.
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
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September 1998 in “PubMed” Panax ginseng helps prevent hair follicle cell death and speeds up hair cell recovery after radiation in mice.
7 citations
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December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
4 citations
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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.
60 citations
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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
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September 2019 in “Journal of Biomedical Optics” Medulla loss in scalp hair could help detect breast cancer.
1 citations
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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
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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
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November 2010 in “Journal of molecular medicine” FoxN1 gene is essential for proper thymus structure and preventing hair loss.
September 2025 in “International Journal of Ayurvedic Medicine” Hair medulla patterns vary by Prakruti type, affecting hair strength.
3 citations
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March 2009 in “Hirosaki University Repository for Academic Resources (Hirosaki University)” Hirosaki hairless rats have sparse, twisted hair due to missing hair keratin genes.