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has been cited by the following article:

• TITLE: FT-IR Microspectroscopic Imaging of Cross-Sectioned Human Hair during a Bleaching Process

  AUTHORS: Soo Ryeon Ryu, Wonhyeong Jang, Si-In Yu, Byeong-Ha Lee, Oh-Sun Kwon, Kwanwoo Shin

  KEYWORDS: FT-IR Imaging, Human Hair, Bleaching

  JOURNAL NAME: Journal of Cosmetics, Dermatological Sciences and Applications, Vol.6 No.5, October 17, 2016

  ABSTRACT: We investigated bleached human hair by FT-IR microspectroscopy and chemical imaging. The cross sectioned hair is approximately 90 μm in diameter, showed cuticle and cortex in chemical imaging. Differential amide I/II absorbance ratio and broadening amide I band between in the cortex and cuticle were confirmed in FT-IR microspectroscopy and chemical imaging. The cystine monoxide band from the products of disulfide oxidation of the amino acid cystine is associated with hair damaging during bleaching process. With increase bleaching time, the band for cystine monoxide shows more intense and larger area in chemical image. The spatially chemical change was investigated in detail by FT-IR microspectroscopy and chemical imaging during the bleached process.