Curly wool has more orthocortex than straight wool.
July 2024 in “ADMET & DMPK” Surface-modified nanostructured lipid carriers can improve hair growth treatments.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
January 2005 in “Journal of Cutaneous Pathology” The hair erector muscle is involved in various skin conditions and disorders.
Synthetic hair implants can cause scalp cancer years later.
Moderate immune responses help hair growth, while excessive responses slow it down.
January 2009 in “Chinese journal of Clinical Medicine” 5 citations
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January 1997 in “Birkhäuser Basel eBooks”
November 2020 in “Research Square (Research Square)” Keratin injections in mice can stimulate hair growth and might help treat hair loss.
April 2015 in “The FASEB Journal” Nitrogen mustard causes DNA damage and structural changes in mouse skin hair follicles, but some recovery occurs after 5 days.
65 citations
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February 1992 in “Development” Type II keratin genes are crucial for hair follicle differentiation and have a conserved structure and expression pattern.
45 citations
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January 1986 10 citations
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January 2012 in “International Journal of Cosmetic Science” Thioglycolic acid mainly affects the unordered areas in hair structure.
2 citations
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February 2016 in “Journal of sol-gel science and technology” A small molecule can strengthen fine hair, making it more resistant and natural-feeling.
Modern hair styling products don't repair hair but improve its surface and stability.
A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
New methods to classify curly hair types were developed based on shape and strength.
July 2009 in “International Journal of Cosmetic Science” Japanese women's curved hair has an uneven internal structure and varied amino acid composition.
10 citations
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June 2016 in “Cell Transplantation” Sebaceous glands can help harvest hair follicle stem cells to regenerate skin and hair.
January 2026 in “SSRN Electronic Journal” 8 citations
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April 2017 in “Journal of The Royal Society Interface” Giant axonal neuropathy changes the structure of keratin in human hair.
Vegan exosome-like vesicles from microalgae improve skin and hair health, reducing wrinkles and enhancing elasticity.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
January 1999 in “Journal of Investigative Dermatology” 12 citations
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December 2011 21 citations
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September 1968 in “Cancer” Citrulline in certain skin tumors suggests they mimic hair growth, helping distinguish them from other cancer types.
Gender-diverse individuals face more depression and anxiety, possibly due to unique stress profiles.
January 2026 in “Universität Zürich, ZORA” August 2025 in “Journal of Affective Disorders” Gender-diverse people face more depression and anxiety, partly due to stress and lower cortisol levels.