Investigating the effects of sunscreen ingredients on marine ecosystems

 The results of an investigation into the toxicity of the ingredients used in sunscreens to marine plankton were posted on "Cosmetics" online on February 1.

Many sunscreens currently on the market are composed of simple or complex aromatic structures that can pose a threat to marine ecosystems. In this study, three strains of sea urchin larvae, Paracentrotus lividus, copepod Acartia tonsa, and microalga Tisochrysis lutea, and planktonic organisms at two different trophic stages were used to understand the effects on the marine environment. It was used to perform various ecotoxicity bioassays.

Exposure of these organisms to eight sunscreen exudates showed differences in toxicity depending on the plankton organisms used, for example, when tested on sea urchin larvae, test number 4 sunscreen was the most toxic. .. In addition, the toxicity of 2-phenyl-5-benzimidazole sulfonic acid in the UV filter contained in Test No. 4 was strong under exposure, and it was considered that photooxidized metabolites were formed when exposed to UV irradiation. .. The results show that all the creams tested can be nontoxic to plankton when diluted 30,000 times with seawater. Therefore, the effects of sunscreen-containing ingredients were expected to be local.

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