Skin condition assessment: a comparative study of techniques

Ravindar M.S. Bindra; Joretta K. Wong; Jeremy J. Andrew; Peng Xiao; Bufa Zhang; Robert E. Imhof

doi:10.1117/12.239577

7 May 1996 Skin condition assessment: a comparative study of techniques

Ravindar M.S. Bindra, Joretta K. Wong, Jeremy J. Andrew, Peng Xiao, Bufa Zhang, Robert E. Imhof

Proceedings Volume 2681, Laser-Tissue Interaction VII; (1996) https://doi.org/10.1117/12.239577
Event: Photonics West '96, 1996, San Jose, CA, United States

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.

Citation Download Citation

Ravindar M.S. Bindra, Joretta K. Wong, Jeremy J. Andrew, Peng Xiao, Bufa Zhang, and Robert E. Imhof "Skin condition assessment: a comparative study of techniques", Proc. SPIE 2681, Laser-Tissue Interaction VII, (7 May 1996); https://doi.org/10.1117/12.239577

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