GSO ISO 18861:2023
ISO 18861:2020
								
									
									Gulf Standard
								
								
								
									 
									Current Edition
									
								
								
									·
									Approved on
									03 May 2023
								
							
							Cosmetics — Sun protection test methods — Percentage of water resistance
GSO ISO 18861:2023 Files
													English
													
														11 Pages
													
												
												
													
														Current Edition
														
													
													
														Reference Language
													
												
			                                
												
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										GSO ISO 18861:2023 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).
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