94 citations,
February 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” EGF makes hair follicles grow longer but stops hair production.
Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.
89 citations,
August 2008 in “Human genetics” The EDAR gene greatly affects hair thickness in Asian populations.
62 citations,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.
12 citations,
January 2007 in “Current problems in dermatology” Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.
4 citations,
January 2007 in “Sen'i Gakkaishi” Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.
12 citations,
October 1954 in “Textile Research Journal” Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.
10 citations,
June 2019 in “Cosmetics” Mixed-race individuals have hair with varied shapes and more root damage.
20 citations,
January 1979 in “JAMA” Fiber implantation for baldness is not recommended because it causes many problems and doesn't work well.
October 2012 in “Advanced Materials Research” Higher temperatures improve rabbit hair strength up to 50°C, but moisture weakens it.
2 citations,
October 2022 in “Journal of structural biology” Older thin hair is not just thinner but also has different shape, structure, and stiffness.
52 citations,
August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
23 citations,
February 2015 in “International Journal of Molecular Sciences” Colchicine can inhibit hair growth by affecting cell activity and protein expression in hair follicles.
16 citations,
April 2017 in “ACM Transactions on Graphics” Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.
12 citations,
January 2014 in “Cell structure and function” Different combinations of human hair keratins affect how hair fibers form.
11 citations,
May 1998 in “International Journal of Dermatology” Using a blow dryer in a certain way can cause localized hair damage with bubble formation inside the hair.
10 citations,
November 1984 in “Journal of Colloid and Interface Science” The study found that the Marangoni effect causes the uneven wetting of surfactant-coated hair due to the surfactant moving into the water.
277 citations,
June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Epithelial-mesenchymal interactions control hair growth cycles through specific molecular signals.
85 citations,
February 1989 in “Journal of The American Academy of Dermatology” Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.
13 citations,
March 2006 in “International Journal of Cosmetic Science” The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
8 citations,
December 2020 in “Scientific reports” Selective breeding caused the unique curly hair in Mangalitza pigs.
3 citations,
February 2009 in “Chinese Journal of Traumatology (english Edition)” Human hair cells can be used to grow new hair on rat ears, suggesting a possible treatment for hair loss.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
8 citations,
May 2004 in “Textile Research Journal” Scientists made antibodies to tell cashmere and wool apart, which could improve how we identify animal fibers.
1 citations,
March 2013 in “PubMed” Glycylglycine makes hair softer by improving alignment and changing hair's internal properties.
149 citations,
June 2010 in “The FASEB journal” miR-31 regulates hair growth by controlling gene expression in hair follicles.
32 citations,
June 2013 in “Journal of Investigative Dermatology” Mice without certain skin proteins had abnormal skin and hair development.
14 citations,
April 2016 in “PloS one” The KRTAP11-1 gene promoter is crucial for specific expression in sheep wool cortex.
30 citations,
April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
1 citations,
April 2018 in “PubMed” The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.