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Proceedings Paper

Opto-thermal skin hydration measurement in the presence of topically applied substances
Author(s): Ravindar M.S. Bindra; Robert E. Imhof; P. Xiao; Jeremy J. Andrews
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Paper Abstract

Although the direct measurement of in-vivo stratum corneum hydration is relatively straightforward using the technique of opto-thermal transient emission radiometry, assessing the effect of a topically applied substance can be complex. The substance itself may change over time and may also contribute to the measured opto-thermal signal. The method developed to account for these changes uses concurrent in-vivo and in-vitro measurements. It is illustrated with topically applied petroleum jelly, dimethyl sulphoxide (DMSO) and an anti- perspirant. The petroleum jelly caused an increase in stratum corneum hydration, whilst DMSO caused a decrease, which recovers over 90 minutes. The anti-perspirant was applied before exercising and, whilst an untreated site became more hydrated, the treated site was found to become drier.

Paper Details

Date Published: 12 May 1995
PDF: 10 pages
Proc. SPIE 2395, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems V, (12 May 1995); doi: 10.1117/12.209144
Show Author Affiliations
Ravindar M.S. Bindra, South Bank Univ. (United Kingdom)
Robert E. Imhof, South Bank Univ. (United Kingdom)
P. Xiao, South Bank Univ. (United Kingdom)
Jeremy J. Andrews, Unilever Research (United Kingdom)

Published in SPIE Proceedings Vol. 2395:
Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems V
R. Rox Anderson M.D.; Graham M. Watson M.D.; Rudolf W. Steiner; Douglas E. Johnson M.D.; Stanley M. Shapshay M.D.; Michail M. Pankratov; George S. Abela M.D.; Lawrence S. Bass M.D.; John V. White M.D.; Rodney A. White M.D.; Kenneth Eugene Bartels D.V.M.; Lloyd P. Tate V.D.M.; C. Thomas Vangsness M.D., Editor(s)

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