期刊
SKIN PHARMACOLOGY AND PHYSIOLOGY
卷 26, 期 1, 页码 30-35出版社
KARGER
DOI: 10.1159/000343576
关键词
Sun protection factor; UV filter substances; Homogeneous distribution; Spreading; Tape stripping; Multiphoton tomography
The objective of the present investigation was to examine the utilization of optical and spectroscopic methods for the noninvasive characterization of Anthelios XL Fluide Extreme (SPF 50+), an exemplary sunscreen, concerning its homogeneity of distribution on the skin, its spectroscopic properties and its overall protective efficacy. The homogeneity of the distribution of the sunscreen on the skin was investigated with a multiphoton tomography microscope. Additionally, the sum transmission spectrum was determined using tape stripping and spectroscopic measurements. The results revealed a very homogeneous distribution of the sunscreen on the skin surface and also in the deep furrows. The sum transmission spectrum reflects a high protective efficacy of the sunscreen in both the UVA and UVB ranges. The sunscreen Anthelios XL Fluide Extreme (SPF 50+) generates a comfortable feeling on the skin and can be easily distributed. The presented optical methods have been shown to be suitable to investigate the overall protective efficacy of sunscreen products objectively, non-invasively and quickly. Copyright (C) 2012 S. Karger AG, Basel
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