Preliminary in vitro water resistance test

Regulatory reference: Proprietary method based on COLIPA 2005 and ISO 24443:2012
Claim: Water resistant
Application field: Sunscreen creams, sticks and cosmetic products.
Description of the test: Determination of the percentage of water resistance of a sunscreen product on PMMA plates with measurements before and after washes in controlled conditions. The preliminary test requires confirmation through in vivo tests.
Posted in Sunscreens, Claim for OTC, Water resistant