4 citations
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January 2016 in “Skin research and technology” This study found that oxidative hair dyes altered the color and ultrastructure of Caucasian hair but did not significantly affect the hair's breaking strength.
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.
13 citations
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January 2017 in “Cosmetics” This review discusses in vitro methods for evaluating the effects of hair care products on hair fibers, reporting no new results; the authors emphasize the importance of selecting appropriate and accurate equipment for testing.
January 2002 in “China Surfactant Detergent & Cosmetics” This study compared shampoos and found that shampoo D, containing polyquaternium-10, guar gum, and dimethicone, was most effective in restoring chemically permed hair.
10 citations
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January 2011 in “Journal of biomedical optics” This study found that optical coherence tomography provides highly reproducible and less variable measurements of hair shaft thickness compared to standard light microscopy, offering a promising noninvasive tool for clinical practice.