The method accurately measures finasteride in capsules.
September 2001 in “PubMed” The new X-ray technique allows for precise and non-destructive measurement of elements in hair, creating the first database of its kind for a specific ethnic group.
September 2017 in “Journal of Investigative Dermatology” Hair care products used for 4 weeks made hair smoother.
138 citations
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November 1977 in “Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics” 1 citations
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July 2024 in “International Journal of Cosmetic Science” Infrared techniques reveal glycogen, unsaturated lipids, and calcium compounds in hair.
14 citations
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March 2014 in “Experimental and Molecular Pathology” Sulfur mustard damages hair follicles and sebaceous glands in mice.
7 citations
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August 2018 in “Journal of cosmetic dermatology” Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.
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.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
19 citations
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October 1989 in “PubMed” Minoxidil helps hair growth by being sulfated in hair follicles.
7 citations
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June 2020 in “Experimental dermatology” Researchers found that certain lipids, especially vitamin D3, are lower in prematurely grey hair than in pigmented hair.
January 1992 in “Journal of Oriental Neuropsychiatry” People with schizophrenia have lower zinc, copper, and chromium in their hair.
January 2025 in “International Journal of Molecular Biology and Biochemistry” The Shindai method effectively extracts keratin from human hair, with potential uses in bioplastics and biofertilizers.
12 citations
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December 1962 in “Journal of Investigative Dermatology” 13 citations
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March 2019 in “PLoS ONE” A new method improves protein analysis in hair, aiding health and disease research.
10 citations
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June 2001 in “Annals of neurology” Alzheimer's patients have higher levels of certain chemicals in their hair.
12 citations
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February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
8 citations
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November 1976 in “Journal of Investigative Dermatology”
11 citations
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January 1987 in “Electrophoresis” Keratin proteins are consistent across different hair types from the same person.
8 citations
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March 2012 in “Mass spectrometry letters” The S9 fraction with GC-IDMS is effective for measuring 5α-reductase activity.
10 citations
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March 1973 in “Journal of Investigative Dermatology”
1 citations
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March 2019 in “Journal of AOAC INTERNATIONAL” New method quickly and accurately measures dexpanthenol in hair products.
December 2025 in “Rapid Communications in Mass Spectrometry” Pepsin digestion improves accuracy in analyzing proteins in human hair.
June 2019 in “DOAJ (DOAJ: Directory of Open Access Journals)” Trace element deficiencies may contribute to diffuse alopecia.
14 citations
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November 2015 in “Annals of the New York Academy of Sciences” Changing the diet of mice lacking the enzyme CBS can affect symptoms related to the genetic condition.
1 citations
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December 2024 in “Methods in molecular biology” Hair proteins are complex and provide valuable genetic and biological information.
2 citations
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December 1994 in “International Journal of Cosmetic Science” Polymer complexation makes hyaluronic acid stick to hair better, enhancing its moisturizing effects.
3 citations
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December 2021 in “Skin research and technology” Higher hair luminosity and shine mean higher perceived transparency.
4 citations
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November 2022 in “Journal of biomedical materials research. Part B, Applied biomaterials” Human hair proteins, especially keratins, can protect cells from oxidative stress in lab settings.
7 citations
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March 2004 in “Journal of the American Academy of Dermatology” Tiger tail banding and hair abnormalities are reliable indicators for diagnosing trichothiodystrophy.