No products
M00002143
New product
ISO 18861:2020
Cosmetics - Sun protection test methods - Percentage of water resistancestandard by International Organization for Standardization, 09/01/2020
In stock
ISO 18861:2020 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).