Quantification of changes in skin hydration and sebum after tape stripping using infrared spectroscopy
A. Ezerskaia (Philips Research, TU Delft - ImPhys/Optics)
S. F. Pereira (TU Delft - ImPhys/Optics)
H. P. Urbach (TU Delft - ImPhys/Optics)
Babu Varghese (Philips Research)
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Abstract
Skin barrier function relies on well balanced water and lipid system of stratum corneum. Optimal hydration and oiliness levels are indicators of skin health and integrity. We demonstrate an accurate and sensitive depth profiling of stratum corneum sebum and hydration levels using short wave infrared spectroscopy in the spectral range around 1720 nm. We demonstrate that short wave infrared spectroscopic technique combined with tape stripping can provide morequantitative and more reliable skin barrier function information in the low hydration regime, compared to conventional biophysical methods.