38 citations
,
May 2000 in “Livestock production science” Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
28 citations
,
September 1986 in “Pediatric dermatology” Zinc therapy improved hair health in a girl with acrodermatitis enteropathica.
26 citations
,
November 1968 in “The Lancet” Malnourished Andean Indian children had abnormal hair roots compared to healthy children.
24 citations
,
December 1957 in “Experimental Cell Research” The glassy layer of hair follicles has different fibril sizes and arrangements in guinea pigs and young mice.
18 citations
,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
9 citations
,
March 2005 in “International Journal of Cosmetic Science” The torsional method effectively evaluates hair damage and the performance of hair care ingredients.
7 citations
,
December 2008 in “Journal of Dermatological Science” Progranulin overexpression leads to shorter, thinner hair and increased cell death in mouse hair follicles.
6 citations
,
July 2022 in “World journal of stem cells” Using extracellular vesicles from stem cells can help hair grow by affecting scalp cells and hair follicles.
5 citations
,
December 2020 in “Gene” ANXA1 influences hair growth in mice through the EGF signaling pathway.
5 citations
,
May 1983 in “Australian journal of biological sciences” Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.
4 citations
,
March 2020 in “Scientific Reports” Scientists created a colored thread-like material containing a common hair loss treatment, which slowly releases the treatment over time, potentially offering an effective, neat, and visually appealing solution for hair loss.
4 citations
,
January 2000 in “Durham e-Theses (Durham University)” Hair follicles help wounds heal faster, especially in active growth phase skin.
2 citations
,
January 2012 in “Zhongguo nongye Kexue” EGF helps secondary hair follicles grow in young gray goats.
1 citations
,
March 1994 in “Proceedings of the British Society of Animal Production” Prolactin and melatonin affect the growth of Angora and Cashmere goat hair differently.
August 2025 in “Stem Cell Reviews and Reports” Nanovesicles from stem cells can help regrow hair and slow hair loss.
April 2025 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Adding a water-soluble fatty acid complex to sheep diets improves wool growth by increasing primary hair follicle size and density.
January 2021 in “Advanced Biomedical Engineering” Needle shape affects the force needed for hair implants, with certain shapes reducing the effort required.
January 2021 in “Figshare” Tiny lipid particles carrying 17-α-estradiol gather in hair follicles, which may help target alopecia treatment.
January 2020 in “Journal of the Brazilian Chemical Society” Tiny lipid particles loaded with a hormone gather in hair follicles, which may help treat hair loss.
March 2006 in “Chinese journal of plastic surgery” Microencapsulated human hair cells can regenerate hair follicles in mice ears.
72 citations
,
January 1983 in “The Anatomical Record” Epidermal growth factor delays skin and hair development in mice.
45 citations
,
March 2010 in “Journal der Deutschen Dermatologischen Gesellschaft” A systematic approach is crucial for managing hair loss in women.
39 citations
,
April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
26 citations
,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
19 citations
,
May 2016 in “Clinical, cosmetic and investigational dermatology” FGF-2&D/P nanoparticles can help treat hair loss.
17 citations
,
May 2003 in “Journal of The American Academy of Dermatology” Hair from balding and non-balding areas regrows similarly on mice.
13 citations
,
July 2016 in “BMC Complementary and Alternative Medicine” Hominis Placenta helps hair grow back by increasing cell growth and a specific growth factor.
10 citations
,
January 2002 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.
10 citations
,
November 1997 in “British Journal of Dermatology” RU58841 significantly increases hair growth rate and initiates more hair cycles, but doesn't affect hair thickness, suggesting it could be a new treatment for baldness.
4 citations
,
November 2011 in “Archives of Dermatology” The photographic method for measuring facial hair density is reliable and valid but needs further testing on different hair densities and skin colors.