Test of reduction of SPF caused by sand

Regulatory reference: ISO 24444:2010 of 15/11/2010 and Colipa test method 2006 for SPF.
Claim: Sand resistant
Application field: Finished products.
Description of the test: In vivo test on 10 subjects. Comparison between SPF of sun product and the reduction on protection cause of double sand static contact of 20 minutes in this sequence: contact, techanical cleaning, contact and final mechanical cleaning before the exposure to the solar multiport simulator. If the reduction of protection is mayor than 50% the product isn’t “sand resistant”.
Posted in Sunscreens, Claim for OTC, Sand resistant