95 citations
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July 2007 in “Journal of Experimental Botany” Root hairs help barley grow better in zinc-deficient soil.
90 citations
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July 1993 in “Journal of Investigative Dermatology”
February 2026 in “Nature Communications” Inhibiting connective tissue sheath contraction may improve hair growth in male pattern baldness.
5 citations
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October 2011 in “Small ruminant research” Goat hair growth and follicle activity change with the seasons and differ between males and females.
January 2005 in “Journal of Zhejiang University(Sciences Edition)” Yuyi hairless mice lose hair after birth, develop thick, loose skin with folds, and show disorganized skin structure as they age.
8 citations
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September 1975 in “Journal of Animal Science” Moose hair can track past mineral levels, except zinc.
33 citations
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October 1996 in “Journal of Investigative Dermatology” 2 citations
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January 2018 in “Proceedings of the International Conference of Science, Technology, Engineering, Environmental and Ramification Researches” Red ginger extract promotes hair growth better than white ginger extract.
March 2026 in “International Journal of Advanced Biochemistry Research” German shepherd hair varies in color and pattern but is flat with a consistent internal structure.
3 citations
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January 2005 in “Biological & Pharmaceutical Bulletin” The peptide GPIGS helps hair cells grow and speeds up hair regrowth in mice.
November 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Keratin 79 cells help form and regenerate hair canals.
38 citations
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July 1989 in “Archives of dermatological research” Testosterone causes hair loss in AGA mice, which are good for testing baldness treatments, and both minoxidil and cyproterone acetate can prevent this hair loss.
August 2024 in “Microscopy Research and Technique” The study identifies the pheromone gland's location and structure in Endoclita vietnamensis, aiding future pest control methods.
Hair movement can indicate hair quality and health.
7 citations
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September 2019 in “Journal of Investigative Dermatology”
24 citations
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November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
9 citations
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December 2022 in “Genes” CNVs influence hair length in Tianzhu white yaks.
June 2023 in “Frontiers in Genetics” Genes related to calcium signaling and lipid metabolism are important for curly hair in Mangalitza pigs.
5 citations
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January 2006 in “Indian Journal of Dermatology, Venereology and Leprology” Synthetic hairs are not recommended for use.
September 1984 in “Journal of Biological Education” Human hair growth involves active, resting, and intermediate phases, and examining plucked hairs can teach students about hair biology and diseases.
January 2023 in “Springer eBooks” 1 citations
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August 2025 in “Journal of Investigative Dermatology” Genetic studies on hair traits can improve understanding of health and disease.
1 citations
,
January 1963 in “The Anatomical Record” Glyceride levels in mouse skin are higher during hair growth.
January 2025 in “Conservation Physiology” Bear hair grows 0.10 to 1.05 mm per day, varying by individual and season.
136 citations
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July 2014 in “Proceedings of the National Academy of Sciences of the United States of America” FGF5 gene mutations cause unusually long eyelashes by affecting hair growth regulation.
June 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” IGN genes may regulate hair growth and could be targeted for hair-loss treatments.
85 citations
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October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
5 citations
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January 2009 in “International Journal of Trichology” Two siblings had a rare hair condition with banded hair, which doesn't need treatment.
1 citations
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April 2016 in “Journal of Investigative Dermatology” Zinc deficiency causes reversible hair loss by disrupting hair growth and stem cell function.
16 citations
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August 1996 in “The journal of experimental zoology/Journal of experimental zoology” Red deer hair cells offer a new way to study how hormones affect hair growth.