Vitamin D receptor actions without binding are crucial for healthy skin and hair.
40 citations
,
October 2002 in “Endocrinology” Vitamin D3 analogs can promote hair growth in mice genetically prone to hair loss.
4 citations
,
January 2015 in “Journal of microbial & biochemical technology” Biotin helps regulate proteins in the blood, which may explain its role in hair growth.
99 citations
,
June 2005 in “Endocrinology” Applying thyroid hormone T3 speeds up wound healing in mice.
98 citations
,
July 2014 in “Trends in Molecular Medicine” Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.
89 citations
,
May 2005 in “Stem Cells” Mouse skin has special cells in the epidermis that decrease with age and are linked to keratinocyte stem cells.
33 citations
,
September 2017 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes woolly hair and hair loss.
25 citations
,
March 2013 in “British Journal of Dermatology” Woman has discoid lupus, frontal fibrosing, and androgenetic alopecia.
16 citations
,
October 2021 in “Trends in biotechnology” Future hair products will use ecofriendly proteins and peptides to improve hair health and appearance.
14 citations
,
September 2019 in “Forensic Science International Genetics” Hair keratin proteins can be reliably identified in hair as short as 0.12 cm, with 0.5 to 2 cm being the best length for analysis.
13 citations
,
November 2003 in “Humana Press eBooks” ES cells can be turned into hair follicle cells in a lab setting.
11 citations
,
January 2012 in “Journal of cell science” Rac1 is essential for proper hair structure and color.
8 citations
,
February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
6 citations
,
August 2008 in “Journal of Forensic Sciences” Recognizing specific tissue types on telogen hair roots can improve DNA typing.
4 citations
,
April 2011 in “Stem Cell Reviews and Reports” The research helps understand how stem cells turn into hair follicle cells.
2 citations
,
January 2016 in “Springer briefs in molecular science” Using natural sources as hair conditioners can help restore shine and softness to damaged hair.
October 2025 in “Physiologia” Spermidine may improve skin health and hair growth by enhancing cell function.
September 2025 in “Sahel Journal of Life Sciences FUDMA” Chemical hair straighteners can severely damage hair and scalp with repeated use.
April 2024 in “International journal of clinical trials” SesZen-Bio™ improves hair density, thickness, and overall hair health.
Hair fibers degrade and change color in very basic water.
January 2007 in “Bristol Research (University of Bristol)” Epidermolysis bullosa in UK calves is not caused by mutations in keratin genes.
April 2012 in “Development” Rac1 is crucial for normal hair structure and pigmentation.
Dissecting cellulitis and folliculitis keloidalis cause intense inflammation without bacterial infection.
January 2013 in “Sen'i Gakkaishi” Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
990 citations
,
October 1999 in “Development” Activated LEF/TCF complexes are crucial for hair development and cycling.
4 citations
,
May 2012 in “Tissue Engineering and Regenerative Medicine” Scientists created three types of structures to help regrow hair follicles, and all showed promising results for hair regeneration.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
December 2001 in “中華皮膚科醫學雜誌” An 18-year-old boy had a harmless skin nodule near his nose with hair and oil glands inside.
Researchers developed a method to identify and measure different animal hair fibers in textiles, successfully distinguishing materials like cashmere from cheaper fibers.
35 citations
,
September 2004 in “American Journal of Dermatopathology” A rare nail bed cancer was successfully treated with no recurrence after 4 years.