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Proceedings Paper

Skin condition assessment: a comparative study of techniques
Author(s): Ravindar M.S. Bindra; Joretta K. Wong; Jeremy J. Andrew; Peng Xiao; Bufa Zhang; Robert E. Imhof
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Paper Abstract

We report the results of a study aimed at comparing Opto-Thermal Transient Emission Radiometry (OTTER) with established techniques of assessing skin condition, namely evaporimetry (TEWL), skin dielectric constant measurement, ATR-FTIR and clinical assessment. Comparisons were made during a week-long study of the effects of intensive washing on the volar forearms of 14 subjects. The study also provided a comparison of skin condition after washing with two different cleansers, a mild isethionate betaine cleansing bar and a soap bar. The subject-averaged results from OTTER and TEWL were found to correlate with the clinical assessments, namely that intensive washing with the soap bar produces greater skin damage than with the isethionate betaine bar. Skin dielectric constant measurements were found to be sensitive to changes of skin condition other than hydration, as evidenced by a daily oscillation that dominate the results. The ATR-FTIR measurements proved difficult to evaluate, because of interfering calcium deposits from the soap bar. On the practical side, OTTER and skin dielectric constant measurements were found to be quicker and more convenient to use than TEWL and ATR-FTIR.

Paper Details

Date Published: 7 May 1996
PDF: 14 pages
Proc. SPIE 2681, Laser-Tissue Interaction VII, (7 May 1996); doi: 10.1117/12.239577
Show Author Affiliations
Ravindar M.S. Bindra, South Bank Univ. (United Kingdom)
Joretta K. Wong, Unilever Research US (United States)
Jeremy J. Andrew, Unilever Research Port Sunlight Lab. (United Kingdom)
Peng Xiao, South Bank Univ. (United Kingdom)
Bufa Zhang, South Bank Univ. (United Kingdom)
Robert E. Imhof, South Bank Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 2681:
Laser-Tissue Interaction VII
Steven L. Jacques, Editor(s)

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