9 citations
,
April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
8 citations
,
March 2020 in “Colloids and surfaces. B, Biointerfaces” Heating hair proteins changes their structure and may improve their blood clotting ability.
2 citations
,
October 2022 in “Journal of structural biology” Older thin hair is not just thinner but also has different shape, structure, and stiffness.
1 citations
,
February 2023 in “All Life” The research identified proteins that change as goat hair follicles begin to form, helping to understand how cashmere grows.
February 2025 in “BMC Veterinary Research” Keratin proteins are crucial for hair growth in cashmere goats.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
68 citations
,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
40 citations
,
September 2010 in “Journal of Biological Chemistry” Keratin K80 is an ancient protein found in various tissues, important for cell structure and tissue differentiation.
12 citations
,
September 2018 in “Naturwissenschaften” Melatonin treatment increases a specific RNA in goat cells that boosts cashmere growth.
5 citations
,
May 2021 in “Small ruminant research” The study found specific proteins that could mark different growth stages of cashmere goat hair and may help improve cashmere production.
1 citations
,
May 2025 in “Scientific Reports” The study identified key genes and pathways that influence goat wool quality and growth.
1 citations
,
September 2023 in “Animals” A new goat gene affects cashmere fiber thickness; certain variations can make the fibers coarser.
November 2024 in “Journal of Functional Foods” AP collagen peptides improve hair elasticity and gloss.
IRS-specific genes in Tan sheep hair follicles peak at birth and may affect wool crimp.
December 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” AP-2α and AP-2β proteins are essential for healthy adult skin and hair.
Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
170 citations
,
November 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin can heal wounds without hair follicle stem cells, but it takes a bit longer.
68 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” HOXC13 is essential for hair and nail development by regulating Foxn1.
29 citations
,
August 2011 in “PubMed” Hair and nail proteins, mainly keratins, are crucial for structure and can indicate health issues.
25 citations
,
March 2013 in “British Journal of Dermatology” Woman has discoid lupus, frontal fibrosing, and androgenetic alopecia.
7 citations
,
June 2020 in “JAAD Case Reports” Artificial hair implants can still cause side effects despite improvements.
1 citations
,
January 2019 in “PubMed” cgVEGF164 boosts hair follicle growth in mice.
May 2026 in “Journal of Health Sciences and Medicine” Biotinoyl tripeptide-1 nanoparticles effectively protect hair from heat damage.
62 citations
,
August 2006 in “Journal of Chromatography B” Modern techniques have improved the understanding of keratin proteins, revealing their roles in various cells and potential in disease diagnosis.
15 citations
,
January 2018 in “Advances in experimental medicine and biology” Keratin proteins are crucial for hair growth and structure.
4 citations
,
July 2020 in “Journal of proteomics” Hair protein composition is similar across different races and shapes.
4 citations
,
January 2015 in “Journal of microbial & biochemical technology” Biotin helps regulate proteins in the blood, which may explain its role in hair growth.
2 citations
,
October 2012 in “Experimental Dermatology” Deleting the Sox21 gene changes hair lipid composition and increases cholesterol sulfate levels.
2 citations
,
January 1981 High temperatures and certain chemicals can significantly change the amino acid content in human hair.
April 2024 in “Frontiers in endocrinology (Lausanne)” Melatonin improved secondary hair growth in goats but didn't affect primary hair density or litter size.