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Gradual confidence levels of standards compliance for reliable sunscreen testing results

corresponding

Sébastien Miksa
SUNCERT SAS PONT SAINTE MAXENCE, France

Abstract

Reliable sunscreen products are a major concern as the efficiency claiming has an impact on consumers’ health compared to other product claiming esthetic performance. For this purpose, determination of this efficiency is crucial and different confidence levels in regards of standards compliance have been identified. Among these levels described in this article, we have companies (a) without experience in sunscreen testing, (b) with expertise in this field, (bc) participating in multicenter comparison, (bcd) with general quality system, (bcde) with technical quality system and (f) sunscreen testing certified


INTRODUCTION

Reliable sun protection performance assessment for claiming purpose is a main topic among all stakeholders involved in sunscreen field. Indeed, it is now well known that skin has to be protected against UVB (wavelength from 290 to 320 nm) and UVA (wavelength from 320 to 400 nm) rays. In recent publications, the key basis requirements for a reliable UV protection have been explored (1) with (i) sunscreen technology, (ii) product compliance, (iii) measurements methods, (iv) norms and labels including the (v) control of sunscreen testing as the last mandatory step (2). Therefore, it seems logical and compulsory to determine with the highest confidence this level of UV protection afforded by sunscreen products for consumers’ health. 

For this purpose, in the sunscreen testing field, several recognitions are misused to try to certify that the controlled tests are compliant with standards to obtain reliable sun protection results. There are some examples such as auto-claiming experts, auto-certified quality tests, member of multicenter comparison, quality and technical certified system through the ISO (International Organization for Sta ...




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