14 citations
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April 2017 in “Dermatology practical & conceptual” Yellow dots are common in severe alopecia areata.
April 2025 in “Revista Digital de Postgrado” Severe malnutrition in young children causes various skin and nail issues, mainly pigmentation changes and extreme thinness.
16 citations
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January 2008 in “Acta dermato-venereologica” Vitamin B12 deficiency can cause skin darkening and increased blood vessels, but treatment can improve symptoms.
63 citations
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December 1988 in “International Journal of Dermatology” Vitiligo causes white skin patches and is linked to autoimmune issues.
Fair skin, not red hair, affects health due to possible vitamin D deficiency.
4 citations
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June 1980 in “American Journal of Clinical Nutrition” Malnutrition can change hair color due to altered copper and zinc levels.
January 2023 in “Our Dermatology Online” Most pregnant women experience skin changes, especially increased pigmentation.
4 citations
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November 2019 in “Harper's Textbook of Pediatric Dermatology” Endocrine diseases in children can cause various skin and hair changes.
January 2011 in “대한피부과학회지” A 7-year-old girl was diagnosed with trichothiodystrophy due to low sulfur levels in her hair.
3 citations
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April 2022 in “Our Dermatology Online” Thyroid disorders are linked to skin conditions like vitiligo and hair loss, so thyroid tests are recommended.
126 citations
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November 1987 in “The Journal of Pediatrics” Selenium deficiency can cause skin and hair color loss, muscle weakness, and blood cell changes, but these improve with selenium supplements.
6 citations
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January 1967 in “Journal of Small Animal Practice” Old dogs' skin thins, loses hair, and may darken, but doesn't show some human aging signs.
June 2022 in “Endocrine Abstracts” Finasteride can cause lasting skin lightening in women.
1 citations
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November 2003 in “SKINmed Dermatology for the Clinician” A 17-year-old with Netherton syndrome has dry, itchy skin, brittle hair, and high IgE levels, treated with antihistamines and emollients.
15 citations
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March 2004 in “British Journal of Dermatology” Surgery resolved the man's skin and liver issues, and he stayed symptom-free for a year.
5 citations
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August 2012 in “Archives of Dermatology” The immune system can cause permanent skin and hair whitening by attacking pigment cells.
3 citations
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December 1967 in “Australasian Journal of Dermatology” Becker's Melanosis and Hypertrichosis mainly affects young males, causing brown skin patches and extra hair on one side of the upper body.
3 citations
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August 2017 in “Clinical case reports” A rare skin condition causes red and dark patches on the face and limbs.
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.
May 2024 in “Asian Journal of Medical Sciences” Skin changes like dryness and hair loss can signal hypothyroidism before tests confirm it.
9 citations
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June 2017 in “The American journal of dermatopathology/American journal of dermatopathology” The study found increased skin pigmentation and variable melanocyte density in a patient with Addison's disease.
November 2025 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” Restoring phenylalanine levels improved skin and hair symptoms in a PKU infant.
The document concludes that dermatology training and grading scales need to better represent dark-skinned individuals to improve diagnosis and assessment of skin conditions.
May 2012 in “Nature Genetics” Blond hair in Solomon Islanders is due to a unique genetic variant, not European ancestry.
35 citations
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October 2019 in “Journal of pediatric health care” Children with darker skin tones can have specific skin conditions that need tailored treatments.
10 citations
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February 2006 in “Archives of dermatology” A man's chest hair turned white after a shingles infection, possibly due to virus-damaged pigment cells.
9 citations
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March 1996 in “Pediatric dermatology” People of African or Asian descent have unique skin issues that need special care.
1 citations
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November 2003 in “Annals of saudi medicine/Annals of Saudi medicine” A 17-year-old in Saudi Arabia was diagnosed with a rare skin condition causing red-brown facial patches.
January 2022 in “Clinical Cases in Dermatology” A man developed a unique rash on his neck after taking niacinamide, and doctors recommend considering niacinamide as a cause for similar rashes and using dermatoscopy for diagnosis.
21 citations
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December 2006 in “Archives of dermatology” A kidney transplant patient developed pink skin bumps with spiny centers on her face and limbs.