ČSN EN ISO 23675

Cosmetics - Sun protection test methods - In vitro determination of sun protection factor (SPF)

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Detail information

Designation: ČSN EN ISO 23675

Publication date: 01/06/2025

Pages: 60

Country: Czech technical standard

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Anotation

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

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