1. ISO24442:2011 Cosmetics-Sun Protection Test Methods-In Vivo Determination of Sunscreen UVA Protection www.iso.org/iso/catalogue_detail?csnumber=46521
2. ISO24443:2012 Determination of Sunscreen UVA Photoprotection in vitro www.iso.org/iso/catalogue_detail?csnumber=46522
3. UVA protection labeling and in vitro testing methods;Moyal;Photochem. Photobiol. Sci.,2010
4. A new substrate to measure sunscreen protection factors throughout the ultraviolet spectrum;Diffey;J. Soc. Cosmet. Chem.,1989
5. Miksa , S. Lutz , D. Guy , C. Tiplamai , B. Advantages of in vitro sun protection assessment methods SPC ASIA magazine 2014