May 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The study found that certain genes are important for hedgehog skin appendage development and immunity, with spines possibly evolving for protection and infection resistance.
1 citations
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February 2012 
1 citations
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March 2010 in “International Journal of Cosmetic Science” The Aqualon SLT device measures hair stiffness and slipperiness to evaluate hair treatments.
49 citations
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January 1991 in “Food and chemical toxicology” Different zinc compounds cause varying levels of skin irritation in animals.
20 citations
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July 1998 in “Archives of dermatology” 
78 citations
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June 2013 in “Science” Mice without the Sept4/ARTS gene heal wounds better due to more stem cells that don't die easily.
Steatocystomas are harmless skin cysts that can vary in size and may sometimes cause itching or pain.
March 2003 in “中華皮膚科醫學雜誌” Trichothiodystrophy causes unusual hair and developmental issues.
38 citations
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July 2004 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Reptilian scales, feathers, and hairs evolved from changes in skin cell interactions.
1 citations
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October 2023 in “Pharmaceuticals” Sulfated polysaccharides from Microcosmus exasperatus may help treat cancer without causing blood thinning.
33 citations
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October 2012 in “Journal of Morphology” Reptile skin hardens by layering beta-proteins on keratin.
September 2025 in “Media Kedokteran Hewan” 90% of African pygmy hedgehogs in the study had fungal infections.
10 citations
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May 1974 in “American journal of diseases of children” The girl had a rare disorder causing mental and physical symptoms, with weak hair and unclear neurological issues.
April 2022 in “Authorea (Authorea)” CT scans can find serious prostate cancer even when PSA levels are low.
6 citations
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February 2015 in “Journal of parasitic diseases” Ivermectin injections and spray, along with hygiene measures, successfully treated sarcoptic mange in guinea pigs.
1 citations
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September 2022 in “River Publishers eBooks” The document concludes that hair keratin-chitosan scaffolds were successfully made and are suitable for biomedical use.
February 2006 in “Journal of the American Academy of Dermatology”