Preliminary in vitro water resistance test

Regulatory reference: Proprietary method based on 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, Water resistant, Claim for OTC