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download between 0-24 hoursReleased: 2020
Cosmetics — Sun protection test methods — Percentage of water resistance
|Standard´s number:||ISO 18861|
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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