September 2025 in “Digital Commons - RU (Rockefeller University)” FOXC1 is essential for keeping hair follicle stem cells inactive and maintaining their environment for healthy hair growth.
24 citations
,
September 2012 in “Dermatologic Surgery” The conclusion is that normal scalp hair counts for Taiwanese people were established, showing age-related differences but not sex or scalp location differences.
47 citations
,
January 2013 in “International Journal of Cosmetic Science” Hair diversity is influenced by complex genetics and environmental factors, requiring more research for practical solutions.
10 citations
,
March 2019 in “Human Genetics” A genetic mutation in the SGK3 gene causes hairlessness in Scottish Deerhounds and may relate to human hair loss.
3 citations
,
September 2014 in “SpringerPlus” Human hair loss may have evolved to help increase brain size.
March 2005 in “International Journal of Cosmetic Science” A new method helps understand hair shine and various products improve hair care.
3 citations
,
September 2024 in “The FASEB Journal” Dermal white adipose tissue helps regulate hair growth, protect skin, and aid wound healing.
63 citations
,
December 1998 in “Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology” The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.
1 citations
,
April 2018 in “Turkish Journal of Dermatology” Childhood hypertrichosis is excessive hair growth not linked to hormones, with types based on location and origin.
2 citations
,
July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
21 citations
,
December 2015 in “European journal of cell biology” Tight junctions create a barrier in pig hair follicles that controls what can enter the skin.
2 citations
,
November 2017 in “Histochemistry and Cell Biology” Polyamines are abundant in certain parts of rat hair follicles and may play a key role in hair growth.
5 citations
,
June 2015 in “Journal of Investigative Dermatology” Feathers are useful for researching growth, regeneration, and the effects of treatments like chemotherapy on hair loss.
271 citations
,
December 2005 in “New England journal of medicine/The New England journal of medicine” The document likely offers guidance on treating a woman's excessive hair growth, considering her symptoms and obesity.
November 2023 in “Frontiers in veterinary science” The study provides insights into hair growth mechanisms in yaks.
Whale oil may safely and effectively promote hair growth.
19 citations
,
May 2006 in “Clinical and Experimental Dermatology” Researchers found a new mutation causing total hair loss from birth.
6 citations
,
February 2013 in “Veterinary Dermatology” A young cat had a rare hair condition with twisted hair shafts but stayed healthy.
August 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Root hair stiffness is mainly influenced by tip compression and turgor pressure.
August 2001 in “The Journal of Cell Biology” A new keratin gene was found in mice, explaining hair growth.
2 citations
,
January 2012 in “Journal of Cutaneous Pathology” The author clarifies that alopecia areata incognito and diffuse alopecia areata are different types of hair loss with unique symptoms and challenges in diagnosis.
117 citations
,
August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
4 citations
,
May 2020 in “The journal of pediatrics/The Journal of pediatrics” A boy with monilethrix has brittle hair that breaks easily due to a genetic condition, which might improve by puberty.
November 2025 in “Clinical Cosmetic and Investigational Dermatology” Digital microscopy can help diagnose hirsutism by measuring hair growth.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
8 citations
,
April 1997 in “Experimental Dermatology” hHbl gene is active in hair shaft cells and some pilomatricomas.
January 2021 in “Nasza Dermatologia Online” Plica polonica is a rare condition where hair becomes irreversibly tangled, and the treatment is to cut the matted hair.
13 citations
,
January 2014 in “Postępy Dermatologii i Alergologii” Patchy alopecia areata can affect only pigmented hairs, leaving gray hairs untouched.
10 citations
,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.