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Open AccessArticle

In Vivo Skin Characterizations by Using Opto-Thermal Depth-Resolved Detection Spectra

1
School of Engineering, London South Bank University, 103 Borough Road, London SE1 0AA, UK
2
Auckland Tongji Medical & Rehabilitation Equipment Research Centre, Tongji Zhejiang College, 168 Taining Road, Nanhu District, Jiaxing 314051, China
*
Author to whom correspondence should be addressed.
Cosmetics 2019, 6(3), 54; https://doi.org/10.3390/cosmetics6030054
Received: 26 July 2019 / Revised: 11 September 2019 / Accepted: 11 September 2019 / Published: 14 September 2019
(This article belongs to the Special Issue Cosmetics: Feature Papers)
OTTER (opto-thermal transient emission radiometry) is an infrared remote sensing technology that has been extensively used in skin measurements. It is non-contact, non-invasive, and has a unique depth profiling capability. By selecting different detection wavelengths, OTTER can be used for different types of skin measurements, such as skin hydration measurements and skin topically applied substance measurements, etc. By plotting the results at different detection wavelengths, we can have an opto-thermal detection spectrum. Combining with OTTER’s unique depth profiling capability, we can get a depth-resolved opto-thermal detection spectrum. This is a powerful tool that can be used for many skin studies. Here we will present our latest study with details on the apparatus setup, theoretical background, as well as experimental results. View Full-Text
Keywords: skin hydration; skin solvent penetration; skin damages; opto-thermal radiometry; depth-resolved detection spectra skin hydration; skin solvent penetration; skin damages; opto-thermal radiometry; depth-resolved detection spectra
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Zhang, X.; Bontozoglou, C.; Xiao, P. In Vivo Skin Characterizations by Using Opto-Thermal Depth-Resolved Detection Spectra. Cosmetics 2019, 6, 54.

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