Effectiveness of different substrate materials for in vitro sunscreen tests

被引：23

作者：

Garoli, Denis ^{[2
,3
]}

Pelizzo, Maria Guglielmina ^{[2
,3
]}

Nicolosi, Piergiorgio ^{[2
,3
]}

Peserico, Andrea ^{[1
]}

Tonin, Elena ^{[4
]}

Alaibac, Mauro ^{[1
]}

机构：

[1] Univ Padua, Unit Dermatol, I-35128 Padua, Italy

[2] INFM, CNR, LUXOR, I-35131 Padua, Italy

[3] Univ Padua, Dept Informat Engn, I-35131 Padua, Italy

[4] IOV, Natl Inst Oncol, Melanoma Unit, I-35128 Padua, Italy

来源：

JOURNAL OF DERMATOLOGICAL SCIENCE | 2009年 / 56卷 / 02期

关键词：

Sunscreen; In vitro tests; UV radiation; Photo-stability; PROTECTION;

D O I：

10.1016/j.jdermsci.2009.07.015

中图分类号：

R75 [皮肤病学与性病学];

学科分类号：

100206 ;

摘要：

Background: In vitro measurements Of Sunscreen products are used to assess their reliability in terms of photoprotection and photo-stability. Objective: In this study, several substrates have been fully characterized for in vitro sunscreen testing. Methods: The following different substrates have been utilised in the study: roughened PMMA plates, Transpore, Vitro-Skin, roughened quartz plate and a laboratory prepared roughened PTFE plate. The suitability of these substrates for SPF evaluation has been investigated by performing total absorbance measurements of seven Sunscreen products with different SPF Values produced by the same manufacturer. Results and conclusions: Application of sunscreen products on Transpore, roughened quartz plate, PM MA, PTFE and Vitro-Skin was performed efficiently. With regard to photo-stability of the substrate materials, only PMMA plate, PTFE and roughened quartz plate showed to be photo-stable after UV irradiation. With regard to SPF tests, Our results indicate that Transpore, roughened quartz plate and Vitro-Skin are preferable to assess SPF values because of a better correlation between in vitro and in vivo measurements. Our study also confirms that an initial calibration must be performed for sunscreen products labelled with different SPF values. Finally. the results of our measurements demonstrate that, although a correlation between in vitro and in vivo SPF results can be established, it is never exactly 1:1. (C) 2009 Japanese Society for Investigative Dermatology. Published by Elsevier Ireland Ltd. All rights reserved.

引用

页码：89 / 98

页数：10

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