January 2026 in “MDPI (MDPI AG)” The hairy ear mutation in mice is linked to changes in gene expression affecting hair growth.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
5 citations
,
March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
16 citations
,
November 2013 in “European Journal of Dermatology” Hair gets thinner and grayer with age, and density decreases more in men on top and in women on top and back.
East and Southeast Asians typically have less dense but thicker, straight black hair.
39 citations
,
December 2012 in “The American Journal of Human Genetics” Mutations in the SNRPE gene cause hereditary hair loss.
20 citations
,
June 2014 in “BMC genomics” Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.
28 citations
,
February 2010 in “Experimental Dermatology” The frizzy mouse and hairless rat mutations are due to changes in the Prss8 gene.
January 2014 in “Journal of Pigmentary Disorders” Women's hair gets thinner and grayer as they age, with treatments available for hair loss and graying.
8 citations
,
May 2012 in “Clinical and Experimental Dermatology” An 82-year-old woman's hair turned white suddenly, likely due to a rare form of alopecia that targets pigmented hair.
September 2017 in “Korean journal of acupuncture” Crataegi Fructus water extract helps hair grow better and thicker.
13 citations
,
February 2019 in “Zoology” Lustre mutant sheep have normal hair structure and proteins but differ in felting properties.
11 citations
,
January 2018 in “Royal Society Open Science” Scientists found genes linked to the growth of high-quality brush hair in Chinese Haimen goats.
7 citations
,
October 2022 in “Development” Overactive Wnt5a disrupts hair follicle orientation in mice.
6 citations
,
January 2020 in “Postepy Dermatologii I Alergologii” Trichoscopy is useful for diagnosing hair-pulling disorder.
31 citations
,
April 2016 in “Nature communications” Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.
7 citations
,
June 2018 in “Journal of the American Academy of Dermatology” The document suggests finding a simpler, cheaper way to diagnose Uncombable Hair Syndrome.
4 citations
,
April 2013 in “Actas Dermo-Sifiliográficas” Most Spanish Caucasian women have a widow's peak, and their hormone levels suggest they process certain hormones faster.
13 citations
,
September 2018 in “Scientific Reports” The research found that a complex gene network, controlled by microRNAs, is important for hair growth in cashmere goats.
28 citations
,
November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
1 citations
,
March 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Trichoscopy helps tell apart hair loss due to alopecia areata from trichotillomania in eyebrows.
1 citations
,
May 2019 in “Journal of The European Academy of Dermatology and Venereology” New method, hair distribution width (HDW), improves accuracy in diagnosing androgenetic alopecia (AGA).
January 2023 in “Figshare” Mouse skin and hair aging starts at 200 days, with changes in hair follicles and more white hairs as signs of aging.
2 citations
,
February 2021 in “FEBS open bio” Human hair keratins K85 and K35 create unique filament patterns important for early hair formation.
74 citations
,
September 2006 in “Cell Cycle” The HR protein's role as a repressor is essential for controlling hair growth.
Use gentle products and nourishing masks to keep thin hair strong and voluminous.
2 citations
,
August 2019 in “International Journal of Cosmetic Science” Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
January 2015 in “Chinese Veterinary Science” Recognizing ultrastructures of cashmere goat hair follicles helps identify and locate follicle layers.
November 2025 in “Clinical Cosmetic and Investigational Dermatology” LIPH mutations cause woolly hair in some Chinese people.
55 citations
,
February 2014 in “Journal of Structural Biology” Human hair has a complex, variable structure with a consistent matrix and double-twist pattern.