Some goats get rare skin diseases from not enough vitamin E, selenium, or zinc, but they're usually still healthy.
1 citations
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November 2016 in “Experimental and Therapeutic Medicine” Low-dose 800 nm laser effectively treats blackheads and coarse pores without harming cell growth.
1 citations
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January 2008 in “Massey Research Online (Massey University)” A successful enzyme depilation system needs a broad-spectrum protease that doesn't harm collagen VI.
January 2024 in “International Research Journal of Modernization in Engineering Technology and Science” The herbal shampoo effectively cleans and conditions hair while being non-toxic and reducing allergic reactions.
Women with androgenetic alopecia have normal levels of most blood steroids and binding proteins, but higher dehydroepiandrosterone. Some also have low "sex hormone-binding globulin" and "corticosteroide-binding globulin" capacity, and high "free androgen index" and "free cortisol index". Diane treatment can normalize these levels and improve hair conditions.
Pangolin scales evolved for protection, hardening with age, due to keratin gene diversification.
1 citations
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June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
January 2015 in “Springer eBooks” Ichthyoses are skin disorders causing scales, with treatment depending on type and severity.
38 citations
,
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.
81 citations
,
June 2012 in “European journal of human genetics” Inherited ichthyoses cause widespread skin scaling and thickening due to gene mutations.
158 citations
,
January 2009 in “The International Journal of Developmental Biology” Reptile scales help us understand the evolution of skin features like hair and feathers.
2 citations
,
December 2013 in “Veterinary dermatology” Three dogs with a rare skin condition improved with treatment.
5 citations
,
May 2018 in “Veterinary dermatology” Gluconolactone products can significantly reduce skin scaling in golden retrievers with ARCI.
28 citations
,
June 1995 in “The Journal of Dermatology” The flaky skin mouse mutation is a natural model for studying human psoriasis.
2 citations
,
June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
1 citations
,
July 2023 in “Journal of developmental biology” Bird foot scales develop differently and can repair but not fully regenerate due to the lack of specialized stem cell areas.
2 citations
,
February 1983 in “International Journal of Cosmetic Science” Selenium disulphide detergents increase hair oiliness by boosting some lipids and reducing fatty acids.
38 citations
,
November 2018 in “Scientific Reports” Bird scales evolved from feathers, not reptile scales.
11 citations
,
January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
1 citations
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May 2023 in “Journal of molecular evolution” Pangolins have lost some skin-related genes, but kept others, leading to their unique scales and skin features.
1 citations
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February 1991 in “Journal of Biological Chemistry” 6 citations
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February 1985 in “Archives of Dermatology” Systemic corticosteroids can cause unusual skin issues in people with juvenile rheumatoid arthritis.
4 citations
,
August 2013 in “Pediatric dermatology” Hair casts can be treated with physical removal and special shampoos.
17 citations
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June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
1 citations
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January 1963 in “The Anatomical Record” Glyceride levels in mouse skin are higher during hair growth.
1 citations
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December 2019 in “International journal of innovative technology and exploring engineering” Fish scale-based organic hair oil and shampoo may improve hair health and prevent damage.
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.
10 citations
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January 2016 in “Dermatology” Psoriasis lesions have fewer and smaller oil glands, which might affect the condition's development.
19 citations
,
November 1937 in “Experimental biology and medicine” Nutritional deficiencies in rats cause skin problems that can be treated with the right vitamins.