95 citations
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January 2007 in “Human biology” This study proposes a new, objective method to classify human hair into eight categories based on specific shape measurements, rather than traditional ethnicity-based classifications.
16 citations
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June 2017 in “PLoS ONE” This small study reports that a 6-group geometric classification method is more reliable for classifying human hair curl, although a digital system could further reduce errors.
September 2022 in “International Journal of Health Sciences and Research” In this study, both resistance training and aerobic exercise with lifestyle modification were similarly effective for managing PCOS symptoms, but resistance training showed more significant benefits for BMI and menstrual regularity.
November 2024 in “Journal of Microscopy” This study found that micro-computed tomography (micro-CT) was highly effective for analyzing the cross-sectional geometry of hair fibres, including the medulla in highly curled hair, but less effective than scanning electron microscopy for surface details.
September 2015 in “The European physical journal. E, Soft matter and biological physics/The European physical journal. E, Soft matter” In this study, a mechanical model was developed to describe and validate the effectiveness of overnight hair curling, suggesting that combining it with hair fixatives can maintain a desired curl for over a day.