May 2024 in “Ultramicroscopy” Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.
September 2023 in “Journal of The American Academy of Dermatology” Raman spectroscopy is promising for measuring and enhancing drug delivery in alopecia treatments.
7 citations
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January 2019 in “Journal of Pharmacy And Bioallied Sciences” The study identified the major component of the water fraction from katuk (Sauropus androgynous) leaves as an alkaloid compound with the molecular formula C21H39N6O2 and a molecular mass of 406.3131 m/z, named (S, S)-5, 5′-amino-4,4′-dihexyl-propyldihydropyrazol-3, 3′-one. This compound was not previously reported in S. androgynous. The research utilized liquid chromatography–mass spectrometry (LC-MS) and other analytical techniques to achieve this identification. The study highlighted the potential of katuk leaves in alternative treatments, particularly for hair growth, due to the presence of various phytochemicals such as alkaloids, flavonoids, tannins, and saponins. There were no conflicts of interest or financial support for this study.
Keratin peptide signatures in hair may help identify gender and ethnicity.
January 2007 in “Chinese Journal of Pharmaceuticals” The study successfully identified the structure of finasteride.
2 citations
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January 2017 Hair movement can indicate hair quality and health.
1 citations
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June 2016 in “Experimental Dermatology” Metabolomics can identify hair damage markers, but its use in creating treatments is uncertain.
May 2019 in “Asian Journal of Chemistry” Finasteride forms three new products under acidic stress.
1 citations
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July 2020 in “Reviews in separation sciences” 
15 citations
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January 1987 in “Electrophoresis” Human head hair proteins can be typed into eight distinct patterns, useful for genetic and forensic investigations.
48 citations
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February 2025 in “Advanced Materials” The hydrogel speeds up diabetic wound healing by adapting to glucose levels and releasing insulin.
4 citations
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December 1995 in “Anthropologischer Anzeiger” Family members have similar hair protein patterns, which could be useful for genetic studies.
February 2023 in “International journal of research - granthaalayah” The new microscope method helps study energy from pre-cancerous skin cells.
November 2004 in “Qucosa (Saxon State and University Library Dresden)” Active agents mainly stay on the hair surface after short washes.
5 citations
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January 2018 The conclusion is that a new test was created to find substances that affect specific ion channels, and it works well for drug discovery.
158 citations
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January 2003 in “Journal of Forensic Sciences” Hair testing can detect a single GHB exposure, useful for documenting sexual assault.
54 citations
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July 1967 in “Science” Decomposed tritiated thymidine is less accurate for DNA tracing, and hair changes can indicate malnutrition.
21 citations
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February 2003 in “Farmaco” Method quickly measures finasteride concentration in capsules.
July 2014 in “Americanae (AECID Library)” Tridax procumbens and Ouratea spectabilis can affect other plants' growth and have antioxidant benefits.
2 citations
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January 2016 in “Scientifica” Researchers created a reliable method to measure dexpanthenol and resorcinol in hair products.
31 citations
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August 2001 in “PubMed” TrichoScan accurately measures hair growth and showed improved hair counts and thickness after finasteride treatment.
19 citations
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May 2010 in “Surface and interface analysis” 18-MEA is essential for hair's water resistance, and a conditioner with 18-MEA and SPDA can restore it.
December 2025 in “Rapid Communications in Mass Spectrometry” Pepsin digestion improves accuracy in analyzing proteins in human hair.
April 2017 in “Journal of Investigative Dermatology” The document concludes that various topical treatments show promise for skin conditions like atopic dermatitis, psoriasis, and hair loss.
January 1997 in “Purdue e-Pubs (Purdue University)” Whole hair strands can reliably measure gamma ray exposure using ESR techniques, but samples should be analyzed quickly or stored in liquid nitrogen.
November 2024 in “Journal of Investigative Dermatology” Secukinumab reduces immune activity in hidradenitis suppurativa skin.
17 citations
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September 1953 in “Journal of Cell Science” INT effectively shows enzyme activity and protein groups in wool and hair follicles.
OCT can effectively screen and diagnose various medical conditions non-invasively.
11 citations
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March 2023 in “Frontiers in Nutrition” Hair analysis can detect small changes in dietary zinc intake.
July 2024 in “Journal of Investigative Dermatology”