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Standard

NS-EN ISO 23675:2025

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Abstract

This document specifies a method for the in vitro determination of sun protection factor (SPF). This method is applicable to sunscreen products in form of an emulsion or alcoholic one-phase formulation, excluding in form of a loose or compressed powder or stick. Specifications are given to enable determination of the spectral absorbance characteristics of SPF protection in a reproducible manner.Use of this method is strictly for the determination of a static sun protection factor. It is not applicable for the determination of water-resistance properties of a sun protection product.

Document information

  • Standard from SN
  • Published:
  • Edition: 2025-01
  • Version: 1
  • Document type: NAT
  • ICS 71.100.70
  • National Committee SN/K 266

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  • Adopted from: EN ISO 23675:2025