20 citations
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September 2004 in “Journal of Anatomy” The inner root sheath evolved to help hair grow safely through the skin in mammals.
49 citations
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September 2004 in “Journal of the European Academy of Dermatology and Venereology” Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
36 citations
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September 2013 in “PLoS ONE” Sweat gland stem cells help maintain glands, aid wound healing, and can regenerate skin structures.
4 citations
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August 2017 in “Cosmetics” The extract reduced sebum production and promoted hair growth.
11 citations
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January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
9 citations
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November 2017 in “International Journal of Nanomedicine” Tiny particles called anionic squarticles can effectively remove a common antidepressant from the body after an overdose.
18 citations
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January 2011 in “International journal of trichology” Hair casts, also called pseudonits, are often mistaken for other conditions.
33 citations
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October 2013 in “PloS one” Human sweat glands have a type of stem cell that can grow well and turn into different cell types.
April 2026 in “Journal of the Korean Society of Cosmetology” Limosilactobacillus reuteri from honeybees may promote hair growth by activating a specific cell pathway.
Mealworm extract may help prevent hair loss and promote hair growth due to its antioxidant activity.
August 2025 in “Marine Drugs” The new composite material is safe and has anticoagulant properties.
44 citations
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November 2012 in “International journal of nanomedicine” A new method improves silicone oil coating on hair, enhancing moisture and lubrication.
112 citations
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February 2001 in “Journal of Investigative Dermatology” Neuropeptides affect hair growth, with some speeding it up and others slowing it down.
The "sinuskissen" in cat hair follicles is mostly connective tissue, affecting fluid flow.
December 2021 in “Signal transduction and targeted therapy” Increasing sebum production might help reduce fat and improve metabolism.
8 citations
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November 2009 in “The Neurologist/The neurologist” If someone has scaly skin, muscle stiffness, and intellectual disability, doctors should consider Sjogren-Larsson Syndrome, but other conditions if more symptoms are present.
December 2025 in “Biology Bulletin” Baikal seals' skin shows normal features for protection and some pathologies possibly linked to climate change or a virus.
2 citations
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June 2003 in “American Journal of Dermatopathology” A unique case of skin cancer showed unusual calcification, possibly linked to calcium-binding proteins.
8 citations
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September 1975 in “Journal of Animal Science” Moose hair can track past mineral levels, except zinc.
Pangolin scales evolved for protection, hardening with age, due to keratin gene diversification.
February 2019 in “International Journal of Dermatology and Clinical Research” Nε-(carboxymethyl) lysine delays hair growth by blocking a key protein.
February 2025 in “Advanced Composites and Hybrid Materials” Glutamic acid microneedle patches promote better hair growth than traditional treatments.
19 citations
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November 2018 in “Experimental Dermatology” The spiny mouse can regenerate its skin without scarring, which could help us learn how to heal human skin better.
1 citations
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January 1971 in “Acta dermato-venereologica” Mice hair follicles take in the amino acid cystine.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Chitosan slows root hair growth and causes a buildup of callose at low concentrations, but at high concentrations, it only inhibits growth without callose buildup.
14 citations
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November 1963 in “The journal of investigative dermatology/Journal of investigative dermatology” Pathologic tissues have more soluble proteins than normal tissues.
46 citations
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November 1963 in “Journal of Histochemistry & Cytochemistry” Arginine converts to citrulline in hair follicles as proteins harden.
June 2024 in “Pharmacon Jurnal Farmasi Indonesia” A 1:3 ratio of virgin coconut oil to candlenut oil is best for promoting hair growth.
35 citations
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January 2011 in “Journal of Biological Chemistry” sPLA2-X is crucial for normal hair growth and follicle health.
May 2009 in “고려인삼학회 학술대회”