ISO 23698:2024
Cosmetics — Measurement of the sunscreen efficacy by diffuse reflectance spectroscopy
Product Details
This document gives specifications to enable determination of the absolute spectral absorbance characteristics of a sunscreen product on skin to estimate sunburn and UVA protection. It is applicable to products that contain any component able to absorb, reflect or scatter ultraviolet (UV) rays and which are intended to be placed in contact with human skin.