Plasticizer in children’s urine – are we about to lose another UV-filter?

A key challenge in formulating sunscreens is deciding on the UV filter platform, as recently described by Hanay and Osterwalder [1] and also by Sohn et al [2]. Apart from the US, where the number of available UV filters is very limited, in Europe and the rest of the world there still seems to be a variety of options, despite intensive scrutiny over the last 25 years. For example, the discussion on endocrine disruptors and UV filters began with the publication of Schlumpf et al [3] in 2001, which resulted in 4-methylbenzylidene camphor being withdrawn from the market within two years. Until recently, many effective and powerful sunscreen formulations relied on the “remaining five” UV filters [1]…