In addition, the most highly emitted polyquaterniums are lacking in data, which is highly significant given the potential ecotoxicity and persistence of cationic polymers.
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Emissions of water-soluble polymers from household products to the environment: a prioritization study.
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The sentences
In addition, the potential for some polymers to contribute to ecological effects as a mixture (e.g., polyquaterniums, for which ecotoxicity is directly related to cationic charge; Connors et al., 2023 ) may be significant for ERA.