ISO 18861:2020
Cosmetics — Sun protection test methods — Percentage of water resistance

Standard No.

ISO 18861:2020

Release Date

2020

Published By

International Organization for Standardization (ISO)

Latest

ISO 18861:2020

Scope

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).

ISO 18861:2020 Referenced Document

• ISO 16217:2020 Cosmetics — Sun protection test methods — Water immersion procedure for determining water resistance
• ISO 24444:2019 Cosmetics — Sun protection test methods — In vivo determination of the sun protection factor (SPF)

ISO 18861:2020 history

• 2020 ISO 18861:2020 Cosmetics — Sun protection test methods — Percentage of water resistance