August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
8 citations
,
January 2017 in “Environmental monitoring and assessment” Hair from different ethnic groups affects soil nutrient release differently.
January 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Rhamnose may help hair growth and pigmentation, making it a potential treatment for hair loss.
29 citations
,
July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
17 citations
,
June 2020 in “Animals” lncRNAs may regulate hair follicle development in Hu sheep.
March 2026 in “World Journal of Biology Pharmacy and Health Sciences” The polyherbal hair oil is stable, cosmetically acceptable, and a potential natural alternative to synthetic hair products.
January 2022 in “Figshare” Melatonin affects when and how certain genes work during the different stages of goat hair growth.
21 citations
,
November 2015 in “Phytomedicine” Glycyrrhizic acid may help reduce unwanted hair growth.
25 citations
,
September 2014 in “SpringerPlus” Sheep have a unique gene, KAP8-2, that humans don't have, which may affect wool properties.
January 2026 in “Frontiers in Animal Science” Gentile di Puglia sheep have finer wool and more lanolin than Sarda sheep.
March 2026 in “Biomolecules” MicroRNAs play a key role in controlling hair growth and quality in sheep and goats.
January 2021 in “The Korea Journal of Herbology”
4 citations
,
January 2011 in “Der Pharmacia Lettre” Hibiscus flower extract slowed down hair growth in rats.
34 citations
,
August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
5 citations
,
June 2023 in “BMC genomics” A specific gene mutation causes long hair in Angora rabbits.
1 citations
,
January 2025 in “International Journal of Cosmetic Science” Age-related hair curvature increases due to internal structural changes from grooming.
15 citations
,
August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.
January 2023 in “Advances in pharmacology and clinical trials” Human hair is a significant sample for various tests in clinical, nutritional, archaeological, and forensic studies.
9 citations
,
July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
January 2006 in “Journal of Liaoning University of Petroleum & Chemical Technology” 3 citations
,
July 1990 in “PubMed” Human hair follicles can grow and form structures in a collagen gel, useful for studying hair cell growth.
September 2002 in “대한피부과학회지” Koreans have lower hair density, larger hair diameter, and slower hair growth than Caucasians.
2 citations
,
August 2016 in “Journal of Investigative Dermatology” 72 citations
,
May 1993 in “The Journal of Cell Biology” Trichohyalin in sheep hair follicles may help with structure and calcium binding.
June 2026 in “International Journal of Drug Delivery Technology” The herbal hair oil is safe and may promote hair growth.
8 citations
,
March 2007 in “International Journal of Cosmetic Science” 6-O glucose linoleate helps human hair grow and produce lipids.
10 citations
,
June 2021 in “Journal of Investigative Dermatology” 1 citations
,
August 2025 in “Epigenetics & Chromatin” H3K4me3 helps control RSPO3 to influence hair growth and development.
32 citations
,
February 2018 in “Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy” Cosmetic residues on individual hairs can be identified and differentiated using ATR FT-IR microspectroscopy.
1 citations
,
March 1958 in “PubMed”