L. Chiou Win, Pharmacodynamic Modeling of Sunscreens: New Efficacy Evaluation, Risks of Sunburn and Melanoma and Very Low to Very High Sun Protection Factor, Journal of Dermatologic Research And Therapy, Volume 1, Issue 3, 2014, Pages 20-29, ISSN 2471-2175, https://doi.org/10.14302/issn.2471-2175.jdrt-20-3274. (https://openaccesspub.orgjdrt/article/1301) Keywords: sunscreen; sunburn; melanoma; skin aging/antiaging theory; UV Index; skin cancers