Phthalate and Organophosphate Plasticizers in Nail Polish: Evaluation

Oct 10, 2018 - Boston Public Health Commission, Boston , Massachusetts 02118 ... Boston University School of Public Health , Boston , Massachusetts 02...
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Cite This: Environ. Sci. Technol. XXXX, XXX, XXX−XXX

Phthalate and Organophosphate Plasticizers in Nail Polish: Evaluation of Labels and Ingredients Anna S. Young,*,† Joseph G. Allen,† Un-Jung Kim,‡ Stephanie Seller,§ Thomas F. Webster,∥ Kurunthachalam Kannan,‡ and Diana M. Ceballos† †

Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, Massachusetts 02115, United States Wadsworth Center, New York State Department of Health, Albany, New York 12201, United States § Boston Public Health Commission, Boston, Massachusetts 02118, United States ∥ Department of Environmental Health, Boston University School of Public Health, Boston, Massachusetts 02118, United States

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ABSTRACT: In the 2000s, nail polish manufacturers started promoting “3-Free” products, phasing out three widely publicized toxic chemicals: toluene, formaldehyde, and dibutyl phthalate (DnBP). However, DnBP was sometimes replaced by another endocrine-disrupting plasticizer, triphenyl phosphate (TPHP). Many new “n-Free” labels have since appeared, without any standardization on which n chemicals are excluded. This study aimed to compare measured plasticizer content against nail polish labels. First, we summarized definitions of labels. Then, we measured 12 phthalate and 10 organophosphate plasticizers in 40 nail polishes from 12 brands selected for popularity and label variety. We found labels ranging from 3- to 13-Free; 10-Free was the most inconsistently defined (six definitions). Our samples contained TPHP and bis(2-ethylhexyl) phthalate (DEHP) at up to 7940 and 331 μg/g, respectively. The 5- to 13-Free samples had lower TPHP levels than unlabeled or 3-Free samples (median