3. Determining the effectiveness of sun protection products
If we look at the history of methods for determining the efficacy of PPSs, we see that in vivo and in vitro methods were developed simultaneously, in the 1950s (some twenty years after the first PPSs were marketed), and that the problem that has arisen since then is one of correlation between the two, a problem that is still much talked about today...
3.1 Methods for determining the Sun Protection Factor (SPF)
The Sun Protection Factor (SPF) is currently considered the universal indicator of the level of protection offered by a PPS, mainly in the UVB range. Displayed on PPS packaging (table 2 ), it enables...
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Determining the effectiveness of sun protection products
Conclusion
Bibliography
- (1) - Protection solaire. Recommandations concernant les conditions d'étiquetage des produits de protection solaire. - http://ansm.sante.fr
- (2) - Sécurité des produits cosmétiques. Produits solaires....
Patents
New sunscreens, sunscreen compositions containing them and uses – EP 0711778 A1 (L'Oréal, 1996)
Process for photostabilizing dibenzoylmethane sunscreens with an insoluble organic filter – EP 1093797 (L'Oréal, 2001)
Composition, particularly for cosmetics, containing a steroid and a fat-soluble UV filter – CA 2355357 A1 (L'Oréal, 2001)
Compounds derived...
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
BASF: Tinosorb
http://www.carecreations.basf.com
Merck: Eusolex
Organizations – Federations – Associations (non-exhaustive list)
...Standards and norms
ISO 24442:2011 Cosmetics – Sun protection evaluation methods – In vivo determination of UVA protection.
ISO 24443:2012 In vitro determination of UVA photoprotection.
ISO 24444:2010 Cosmetics – Sun protection test methods – In vivo determination of sun protection factor (SPF).
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