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prEN ISO 18861

Cosmetics - Sun protection test methods - Percentage of water resistance (ISO 18861:2020)

General information
Draft
Base Documents
ISO 18861:2020; prEN ISO 18861
Directives or regulations
None
Standard history
Status
Date
Type
Name
This document specifies a procedure for evaluating the water resistance retention percentage, by comparing the sun protection factor (SPF) before water immersion (hereafter referred to as the “static” SPF) and after a fixed period of water immersion (hereafter referred to as the “wet” SPF)
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