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FT-IR Microspectroscopic Imaging of Cross-Sectioned Human Hair during a Bleaching Process
Department of Chemistry, Institute of Biological Interfaces, Sogang University, Seoul, South Korea
Department of Chemistry, Institute of Biological Interfaces, Sogang University, Seoul, South Korea
Department of Life Science, Sogang University, Seoul, South Korea
Department of Life Science, Sogang University, Seoul, South Korea
Department of Chemistry, Institute of Biological Interfaces, Sogang University, Seoul, South Korea
Department of Chemistry, Institute of Biological Interfaces, Sogang University, Seoul, South Korea
- 1 Department of Chemistry, Institute of Biological Interfaces, Sogang University, Seoul, South Korea
- 2 Department of Chemistry, Institute of Biological Interfaces, Sogang University, Seoul, South Korea
- 3 Department of Life Science, Sogang University, Seoul, South Korea
- 4 Department of Life Science, Sogang University, Seoul, South Korea
- 5 Department of Chemistry, Institute of Biological Interfaces, Sogang University, Seoul, South Korea
- 6 Department of Chemistry, Institute of Biological Interfaces, Sogang University, Seoul, South Korea
Journal of Cosmetics, Dermatological Sciences and Applications·Volume 06 (2016)·Pages 181–190·Published 17 October 2016·DOI10.4236/jcdsa.2016.65023
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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 show s 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.
KeywordsFT-IR ImagingHuman HairBleaching
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