A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
49 citations
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April 2007 in “Pediatric Dermatology” Biotin improved hair appearance in uncombable hair syndrome but didn't change hair structure.
4 citations
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February 2007 in “Journal of the European Academy of Dermatology and Venereology” The study suggests silicon might be important for healthy hair, as less silicon was found in people with hair loss.
15 citations
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March 1997 in “International Journal of Dermatology” Selenium sulfide in anti-dandruff shampoos can turn hair green.
12 citations
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December 1962 in “Journal of Investigative Dermatology”
1 citations
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January 2009 in “Journal of S C C J” Changing disulfide bonds in human hair affects its melting behavior and thermal stability.
4 citations
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January 1976 in “Archives of Dermatological Research” Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.
3 citations
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August 1988 in “PubMed” February 1989 in “PubMed” A genetic hair protein variant is more common in Japanese people and is inherited.
July 1980 in “Journal of The American Academy of Dermatology” The conference concluded that understanding hair and nail disorders is important, iron deficiency may be linked to hair loss, and while some treatments for skin conditions are effective, they may have risks and high costs.
January 2024 in “International Journal of Cosmetic Science” A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.
13 citations
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March 2010 in “International Journal of Cosmetic Science” Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
70 citations
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June 2010 in “Clinics in Dermatology” Certain groups may need vitamin supplements to improve hair health and prevent other health problems.
8 citations
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September 1987 in “Acta Dermato Venereologica” Recessive X-linked ichthyosis involves a less efficient enzyme in hair follicles, suggesting two distinct enzymes.
33 citations
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March 2006 in “Seminars in cutaneous medicine and surgery” The document explains how to identify different hair problems using a microscope.
84 citations
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June 1970 in “Journal of Investigative Dermatology” 1 citations
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February 1991 in “Journal of Biological Chemistry”
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
January 1996 in “Journal of Investigative Dermatology” 9 citations
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January 1981 Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
7 citations
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January 1966 in “Archives of Dermatology” The method accurately measures hair growth with minimal risk and is better than other methods.
January 2022 in “Indian journal of dermatopathology and diagnostic dermatology” Women with diffuse hair loss often have lower iron and vitamin D levels, but their thyroid function is typically normal.
3 citations
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June 2021 in “Cosmetics” A mix of sulforaphane, L-menthol, and dexpanthenol could help increase hair growth and reduce hair loss.
March 2003 in “中華皮膚科醫學雜誌” Trichothiodystrophy causes unusual hair and developmental issues.
4 citations
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May 1989 in “Journal of the Royal Society of Medicine” Crohn's disease can cause hair loss before other symptoms appear.
13 citations
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January 1953 in “Archives of Dermatology” Certain unsaturated compounds can cause temporary hair loss by affecting hair structure.
March 1997 in “Medical Molecular Morphology” Zinc deficiency causes early scalp hair damage that recovers slower than skin symptoms.
12 citations
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February 2016 in “Biochemical and Biophysical Research Communications” Sulforaphane may help with hair growth by breaking down a hormone that causes hair loss.
September 2024 in “Journal of the American Academy of Dermatology” Selenium disulfide shampoo effectively reduces dandruff and is well-liked by users.