36 citations
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July 1988 in “Archives of Dermatological Research” Pili annulati is caused by a protein metabolism disorder affecting hair structure.
14 citations
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September 2016 in “Journal of Photochemistry and Photobiology B Biology” This study observed that mercury-lamp irradiation may cause cleavage of disulfide bonds in keratins of white hair, leading to the formation of thiols in laboratory settings.
1 citations
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January 2010 in “Biophysical journal” This study found that human hair shows progressive damage from UV and gamma radiation exposure, with fluorescence intensity serving as a sensitive measure of radiation-induced changes.
1 citations
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April 2023 in “Biomolecules” This study found that hair care products containing fermented papaya, fermented mangosteen, and caffeine significantly inhibited hair loss, increased hair density and thickness, and improved hair follicle structure in individuals with androgenic or diffuse alopecia over three months compared to placebo and caffeine controls.
December 2023 in “International journal of multidisciplinary research and analysis” In this study, topical administration of secretome hypoxia mesenchymal stem cells gel increased IL-10 and decreased TNF-α gene expression in a fluconazole-induced alopecia-like model in rats, with the 40 μL dose having the most significant effect.