19 citations
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May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
9 citations
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July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
18 citations
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January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
4 citations
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August 2018 in “International Journal of Current Microbiology and Applied Sciences” Eclipta prostrata leaves contain various compounds with medicinal properties.
3 citations
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March 2018 in “International Journal of Cosmetic Science” Hair stiffness increased by 13.2% after caffeine treatment, validating the Stiffness-Angle Law as an effective measurement method.