9 citations
,
February 1981 in “Australian journal of biological sciences” Lambs fed a liquid diet showed abnormal wool and skin, which improved with more B-vitamins, suggesting a link to B-vitamin deficiency.
2 citations
,
October 2012 in “Experimental Dermatology” Deleting the Sox21 gene changes hair lipid composition and increases cholesterol sulfate levels.
16 citations
,
December 2016 in “ecancermedicalscience” Hair analysis may help detect breast cancer early by identifying changes in lipid content.
43 citations
,
September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
24 citations
,
November 1978 in “Biochemistry” α-type filaments in guinea pig hair follicles have unique structural features.
4 citations
,
June 2021 in “Scientific Reports” Hair fiber shape and curvature are not significantly linked when ancestry is considered.
4 citations
,
April 2019 in “Cosmetics” Hair stiffness is higher when it has more para-like cortical cells.
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
42 citations
,
January 2009 in “Colloids and Surfaces B: Biointerfaces” A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.
9 citations
,
January 1989 in “Sen'i Gakkaishi” Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
8 citations
,
March 2018 in “Cosmetics” UV radiation damages hair by creating holes and peeling cuticle layers.
3 citations
,
January 2015 in “Mathematical problems in engineering” Hair damage increases significantly with higher temperatures and longer heating times.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
8 citations
,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
130 citations
,
January 1994 in “Differentiation” Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.
4 citations
,
March 2021 in “Journal of Surfactants and Detergents” Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.
42 citations
,
February 2017 in “Scientific Reports” Researchers found a way to create cells from stem cells that act like human cells important for hair growth and could be used for hair regeneration treatments.
23 citations
,
January 2021 in “Scientific Reports” Adding human blood vessel cells to hair follicle germs may improve hair growth and quality.
10 citations
,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
96 citations
,
April 2007 in “Journal of Investigative Dermatology” Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.
11 citations
,
February 2019 in “Frontiers in Physiology” Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.
January 2024 in “Uttar Pradesh journal of zoology” Chemical treatments severely damage hair cuticles, especially in previously treated hair.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
March 2005 in “International Journal of Cosmetic Science” A new method helps understand hair shine and various products improve hair care.
27 citations
,
January 2010 in “Animal” South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.
3 citations
,
September 2020 in “Journal of cosmetic dermatology” Coconut oil makes hair stronger and more flexible than mineral oil.
20 citations
,
September 1978 in “International Journal of Dermatology” Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.
13 citations
,
December 2019 in “Nutrients” An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.
13 citations
,
May 2022 in “Cell discovery” The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.