Shampoos, conditioners, facial cleansers and other rinseable personal care products leave chemicals in their wake as they spiral down the drain. New research proposes an algorithm based on persistence, bioaccumulation potential and toxicity (PBT) to determine just what kind of environmental impact this cosmetic residue is having, according to an article from Cosmetics & Toiletries.
Regulators and consumer groups are concerned about the potential negative effect of personal care products on ecosystems, particularly on aquatic life, according to the article. The PBT environmental risk assessment can help predict the short-term and long-term environmental impact of every product ingredient, say researchers, who have developed a grading system that would keep ingredients confidential.
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