17 citations
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February 2011 in “International Journal of Cosmetic Science” This study found that individual differences between pigmented and unpigmented hair fibers in Old Order Mennonites suggest grey hair may be perceived as drier and less manageable due to small mechanical and moisture changes.
This study developed a hat-shaped device with wearable sensors to estimate scalp moisture content using machine learning, demonstrating that it can provide accurate measurements comparable to professional scalp analyzers without the need for high-cost equipment.
April 2023 in “Journal of Investigative Dermatology” In this study, bariatric surgery in patients with morbid obesity improved various skin conditions, although acute telogen effluvium was common, with notable reductions in facial sebum and skin elasticity changes.
February 2024 in “Universal Library of Innovative Research and Studies” In this study, researchers found that the primary cause of slippage and detachment of keratin capsules in hair extensions is the re-contamination by oily residues from the hairdresser's hands, rather than the use of hair care products like masks or conditioners.
2 citations
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September 2010 in “Journal of the Korea Academia-Industrial cooperation Society” This study found that increasing collagen concentration to 2% in permanent wave treatments reduced hair damage but impaired curl formation.