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Evaluation of in vivo THz sensing for assessing human skin hydration
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Lindley-Hatcher, Hannah, Hernandez-Serrano, Arturo I., Wang, Jiarui, Cebrian, Juan, Hardwicke, Joseph and Pickwell-MacPherson, Emma (2020) Evaluation of in vivo THz sensing for assessing human skin hydration. Journal of Physics: Photonics, 3 (1). 014001. doi:10.1088/2515-7647/abcb71 ISSN 2515-7647.
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Official URL: https://doi.org/10.1088/2515-7647/abcb71
Abstract
Terahertz (THz) in vivo reflection imaging can be used to assess the water content of the surface of the skin. This study presents the results of treating 20 subjects with aqueous, anhydrous and water-oil emulsion samples and observing the changes induced in the skin using THz imaging. These regions were also measured with a corneometer, the present gold standard for skin hydration assessment within the cosmetics industry. We find that THz imaging is effective at observing the presence of oil and water on the surface of the skin, these results can be verified with the measurements of capacitance taken by the corneometer. The THz measurements reveal a distinction between the responses of subjects with initially dry or well hydrated skin, this observation is particularly noticeable with the oil-based samples. Additionally, moderate correlation was found between the THz reflected amplitude and capacitance of untreated skin with a correlation coefficient of r = -0.66, suggesting THz imaging has promising potential for assessing skin hydration.
| Item Type: | Journal Article | |||||||||
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | |||||||||
| Journal or Publication Title: | Journal of Physics: Photonics | |||||||||
| Publisher: | Institute of Physics Publishing Ltd. | |||||||||
| ISSN: | 2515-7647 | |||||||||
| Official Date: | 14 December 2020 | |||||||||
| Dates: |
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| Volume: | 3 | |||||||||
| Number: | 1 | |||||||||
| Article Number: | 014001 | |||||||||
| DOI: | 10.1088/2515-7647/abcb71 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Open Access (Creative Commons) | |||||||||
| Copyright Holders: | © 2020 The Author(s). Published by IOP Publishing Ltd | |||||||||
| Date of first compliant deposit: | 6 November 2020 | |||||||||
| Date of first compliant Open Access: | 16 December 2020 | |||||||||
| RIOXX Funder/Project Grant: |
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