2 citations
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October 2022 in “Jikken Dobutsu” Philippines stingless bee propolis helps hair grow by activating a specific cell signaling pathway.
34 citations
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September 2007 in “Experimental Dermatology” The outer layer of Merino wool is rich in sulfur proteins, making it resistant to damage.
12 citations
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July 2012 in “Journal of Applied Polymer Science” Botanical extracts can protect and repair bleached hair.
January 2018 in “Springer eBooks” Trichotillomania is a condition where people repeatedly pull out their hair, which can be triggered by stress and has various physical signs.
21 citations
,
November 1969 in “Journal of Investigative Dermatology” A new staining method clearly shows nerves around eyebrow hair follicles.
Daily hair care may cause holes in hair fibers.
6 citations
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July 2015 in “Journal of Investigative Dermatology” Chicken feather gene mutation helps understand human hair disorders.
13 citations
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February 2007 in “Biotechnology and Bioprocess Engineering”
12 citations
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February 1998 in “Gene” The B2 genes are crucial for hair growth in rats.
Bitter melon leaves extract, especially at 10% concentration, promotes hair growth effectively.
32 citations
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August 1984 in “Lancet” 17 citations
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January 2023 in “International Journal of Cosmetic Science” Hydrophobic interactions affect virgin hair, while electrostatic interactions are key for bleached hair.
1 citations
,
December 2024 in “Methods in molecular biology” Hair proteins are complex and provide valuable genetic and biological information.
6 citations
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April 2012 in “Journal of Oral Pathology and Medicine” Rushton's hyaline bodies form from hair keratin and blood substances.
11 citations
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September 2016 in “Journal of virological methods” Rabies virus was found in specific skin cells of rabid dogs' muzzles, suggesting these cells could help diagnose rabies.
7 citations
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May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
482 citations
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June 1979 in “Proceedings of the National Academy of Sciences” Keratins provide structural strength in epithelial cells and help identify cell origins.
17 citations
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February 2016 in “Experimental Dermatology” SFRP2 boosts Wnt3a/β-catenin signals in hair growth cells, with stronger effects in beard cells than scalp cells.
8 citations
,
February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
36 citations
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January 1994 in “Cell and Tissue Research” 52 citations
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May 2006 in “Journal of Structural Biology” Keratin-associated proteins help link filaments and affect keratin's strength.
29 citations
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July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
1 citations
,
January 2015 The gel with apigenin and celery juice promotes hair growth without causing skin irritation.
12 citations
,
June 2006 in “Anais Brasileiros de Dermatologia” The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
31 citations
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June 2010 in “Journal of dermatology” Hair bleaching causes significant damage to hair and skin.
9 citations
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April 1985 in “Canadian Journal of Zoology” Moose have unique interdigital glands with green hairs and larger glands during mating season.
8 citations
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January 2015 in “Genetics and molecular research” Researchers found four key proteins that affect the development of a specific hair type in Yangtze River Delta white goats.
4 citations
,
December 2020 in “Journal of the American Academy of Dermatology” Pulling 2 or fewer hairs is normal for all hair types, including Afro- and Asian-textured hair.
January 2026 in “SSRN Electronic Journal” December 2025 in “Clinical Case Reports” Netherton syndrome causes skin and hair issues, confirmed by "bamboo hair" under dermoscopy, with no cure but managed with topical treatments.