Test of reduction of SPF caused by salt water

Regulatory reference: ISO 24444:2010 of 15/11/2010 and Colipa test method 2006 for the determination of the WATER RESISTANCE. Test performed according to modified COLIPA 2005 method
Claim: Salt water resistant
Application field: Finished sunscreen products.
Description of the test: Test performed on 10 volunteers, by comparison of pre-wash and post-wash SPF. The treatment includes two washes, one in salt water, performed by irroration with 1M NaCl solution by a pressureless drop shower, and one in fresh water. If the reduction of protection is greater than 50% the product isn’t considered to be “Salt Water Resistant”.
Posted in Water resistant, Salt water resistant, Claim for cosmetics, Sunscreens