July 2024 in “Journal Archives of Health” Woolly hair is a rare genetic condition with no effective treatments.
4 citations
,
July 2010 in “International Journal of Cosmetic Science” Curved human hair has different structures on its convex and concave sides.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
5 citations
,
May 2021 in “Small ruminant research” The study found specific proteins that could mark different growth stages of cashmere goat hair and may help improve cashmere production.
16 citations
,
December 2020 in “PloS one” Researchers found WNT10A to be a key gene in developing goat hair follicles.
2 citations
,
August 2022 in “BMC veterinary research” Hair follicle stem cells from Arbas Cashmere goats can become fat, nerve, and liver cells.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
8 citations
,
May 2008 in “Applied surface science” Mummy hair from the Taklamakan desert has calcium and phosphorus inside.
3 citations
,
December 2024 in “Journal of Animal Physiology and Animal Nutrition” FGF20 is essential for hair follicle stem cell growth and development in fine-wool sheep.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
January 2000 in “The Mouseion at the JAXlibrary (Jackson Laboratory)” The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.
August 2021 in “Journal of the American Academy of Dermatology” Hair fiber fillers make thinning hair look fuller with minimal side effects.
9 citations
,
November 2008 in “Journal of Cosmetic Dermatology” Artificial hair implantation is generally safe and can restore hair when other treatments fail, but some patients may experience side effects.
June 2011 in “Journal of medicine and life science” Hizkia fusiforme seaweed extract can help promote hair growth.
January 2006 in “Seibutsu Butsuri” Curly and straight hair differ in how their internal fibers are arranged.
August 2024 in “Biophysics Reviews” Mammal hairs have different internal structures.
December 2022 in “Himi, himijn tehnologijn hùrèèlèngijn èrdèm šinžilgèènij bùtèèl” Hair products with copper and zinc enriched yeast made hair thicker and denser.
8 citations
,
July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
2 citations
,
January 1990 2 citations
,
November 1992 in “Journal of dermatology” Hair cells grown in a lab showed specific hair proteins.
November 2025 in “BMC Genomics” Genetic differences in sheep affect wool type, with fat and immune genes influencing hair traits.
5 citations
,
December 2011 in “Springer eBooks” 26 citations
,
March 1995 in “Differentiation” A rabbit gene important for hair development was identified and detailed.
10 citations
,
June 2024 in “Frontiers in Genetics” Different sheep breeds share similar genetic factors affecting wool fineness.
13 citations
,
October 2008 in “PubMed” Japanese women's curved hair has an uneven internal structure and varying amino acid composition.
February 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Rodent spiny hair traits are due to genetic factors other than the Edar gene.
4 citations
,
December 1989 in “The Journal of Dermatology” Human hair proteins have similar cysteine and glycine levels to skin proteins.
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.
January 2014 in “China Feed” Higher expression of the keratin-associated protein 8.1 gene in Liaoning cashmere goats is linked to finer cashmere fibers.
2 citations
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March 2005 in “International Journal of Cosmetic Science” Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.