1. Polefka TG, Meyer TA, Agin PP, Bianchini RJ (2012) Effects of solar radiation on the skin. J Cosmetic Dermatol 11:134–143
2. Bonda C, Hu R, Jockusch S (2014) Avobenzone photochemistry: improving photoprotection by stabilizing avobenzone with ethylhexyl methoxycrylene. HPC Today 9:6–10
3. Dondi D, Albini A, Serpone N (2006) Interactions between different solar UVB/UVA filters contained in commercial suncreams and consequent loss of UV protection. Photochem Photobiol Sci 5:835–843
4. http://www.fda.gov/drugs/developmentapprovalprocess/developmentresources/over-the-counterotcdrugs/statusofotcrulemakings/ucm072134.htm
5. Turro NJ, Ramamurthy V, Scaiano JC (2009) Principles of molecular photochemistry: an introduction. University Science Books, Sausalito