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, Sunscreens, Claim for cosmetics
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 Water resistant, Sunscreens, Claim for cosmetics
In vivo water resistance test
| Regulatory reference: | ISO 16217/18861 |
| Claim: | Water resistant or Very water resistant |
| Application field: | Sunscreen creams, sticks and cosmetic products. |
| Description of the test: | Determination of the percentage of persistence of the Sun Protection Factor (SPF) on healthy volunteers after washing in controlled conditions. |
Posted in Water resistant, Very water resistant, Sunscreens, Claim for cosmetics
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