4 citations
,
August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
Low vitamin C caused bleeding and corkscrew hair, resolved with vitamin C treatment.
6 citations
,
January 2021 in “Journal of the mechanics and physics of solids/Journal of the Mechanics and Physics of Solids” The model shows that factors like follicle shape and stiffness are key for hair growth and anchoring.
21 citations
,
December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
January 2000 in “Zhongguo yixue wulixue zazhi” Different human hair keratin types have unique structures that affect how they dissolve and can be used to create self-tendons.
November 2001 in “PubMed” Perming, combing, and stretching damage hair by reducing keratin.
January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.
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.
1 citations
,
November 2017 in “Skin appendage disorders” Ingrown hairs are a common feature in scarring alopecias due to follicular damage.
13 citations
,
December 1983 in “Canadian journal of zoology” Heterotypic cell contacts likely help hair matrix cells differentiate during mouse hair follicle development.
December 2019 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Donkey and horse hair have different microscopic structures, which can help tell them apart.
5 citations
,
January 2006 in “Indian Journal of Dermatology, Venereology and Leprology” Synthetic hairs are not recommended for use.
42 citations
,
September 2003 in “Journal of Investigative Dermatology” A missing mK6irs1 gene causes hair loss in mice.
23 citations
,
July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
March 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The dermal sheath's contraction is crucial for hair follicle regression and stem cell relocation.
October 2015 in “Cosmetic Dermatology” Hair is complex, varies in type, and plays a big role in attractiveness and culture.
24 citations
,
September 2002 in “Dermatologic Surgery” The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
Genetic factors might cause fibrosing alopecia linked to hair shaft abnormalities.
January 2017 in “Journal of Chemical Biological and Physical Sciences” Human hair keratin genes have unique simple sequence repeats that may help track genetic variations.
November 2007 in “Science” Keratin-based hydrogels from human hair help nerve repair better than traditional methods.
130 citations
,
April 2001 in “Journal of Investigative Dermatology” The keratin tail is crucial for skin structure and function.
3 citations
,
October 2020 in “Dermatology Practical & Conceptual” Bubble hair damage is caused by high heat from styling tools, and trichoscopy helps diagnose it.
248 citations
,
April 1988 in “Differentiation” Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.
2 citations
,
October 2006 in “International Journal of Dermatology” Excessive blow-drying can cause "bubble hair," leading to hair loss and fragility, but improves when heat use is reduced.
2 citations
,
January 2000 in “Journal of Toxicologic Pathology” A single recessive gene causes sparse hair in certain Japanese White rabbits.
July 2025 in “Communications Biology” Rat vibrissae structure relates to their sensory function.
17 citations
,
February 1987 in “Journal of the American Academy of Dermatology” The hair cuticle acts as a barrier against fungal infection, which occurs only deep within the hair follicle.
November 2024 in “Elsevier eBooks” 28 citations
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January 1985 in “Journal of the American Academy of Dermatology” A girl with citrullinemia developed pili torti, suggesting a link between the hair condition and the metabolic disorder.
47 citations
,
July 1997 in “British Journal of Dermatology” The inner root sheath is crucial for hair follicle stability during the transition from growth to involution.