Germinated hemp seed extracts help prevent hair loss and promote hair growth.
8 citations
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November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
17 citations
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September 2005 in “International Journal of Dermatology” African hair is more fragile due to its unique shape and internal structure.
17 citations
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May 2018 in “PeerJ” VB-1, a natural compound, may promote hair growth by enhancing a key cell growth pathway.
Houttuynia cordata and Calendula officinalis extracts may promote hair growth without harming cells.
January 2026 in “International Journal of Molecular Sciences” S100a4 is key for hair growth in cashmere goats.
October 2017 in “The Japanese Biochemical Society/The Molecular Biology Society of Japan” Some natural compounds might help hair grow.
52 citations
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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.
68 citations
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August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
115 citations
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August 2014 in “Jo'jig gonghag gwa jaesaeng uihag/Tissue engineering and regenerative medicine” Human hair keratin can be used in many medical applications.
25 citations
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October 2018 in “PloS one” Key genes regulate hair follicle phase changes in Inner Mongolia cashmere goats.
February 2024 in “Advanced Materials” OG6, a sugar-based material, can stimulate hair growth.
9 citations
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December 2022 in “Genes” CNVs influence hair length in Tianzhu white yaks.
April 2014 in “동의생리병리학회지” Samhwang-Sasimtang extract promotes hair growth and has strong antioxidant properties.
October 2024 in “Frontiers in Veterinary Science” FKBP10 and FBN2 are key proteins for hair growth in cashmere goats.
46 citations
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May 1991 in “British Journal of Dermatology” Heparin can inhibit hair growth in mice when injected.
15 citations
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May 2013 in “International Journal of Cosmetic Science” Different ethnic hair types have unique nanoscopic and molecular features despite having the same basic keratin structure.
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.
October 2025 in “Experimental & Molecular Medicine” Hair analysis is valuable for health and forensics but faces challenges like growth variability and contamination.
1 citations
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March 1991 in “PubMed” Naevoid bundle hair is an unusual hair growth pattern where multiple hairs fuse together.
1 citations
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December 1965 in “PubMed” 3 citations
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January 2025 in “动物学研究” The gene GJA1 is important for regulating coarse hair density in goats.
32 citations
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December 2014 in “Journal of experimental botany” Certain proteins are essential for the growth of root hairs in barley.
3 citations
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February 2022 in “Frontiers in cell and developmental biology” A specific RNA molecule, circCOL1A1, affects the growth and quality of goat hair by interacting with miR-149-5p and influencing cell growth pathways.
38 citations
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August 1973 in “Journal of Investigative Dermatology” 9 citations
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January 2021 in “Biomolecules” Infrared spectral imaging can map hair growth proteins and sugars without staining.
January 2021 in “Institutional Repositories DataBase (IRDB)” January 2025 in “Conservation Physiology” Bear hair grows 0.10 to 1.05 mm per day, varying by individual and season.
98 citations
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June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
November 2023 in “Borneo Journal of Pharmacy” Sappan wood hair tonic helps protect and repair damaged hair.