Nail polishes may contain toxic compounds, even if they say they are free of those substances. Turns out, nail polishes with ‘n-free’ labels are not necessarily free of toxic compounds. Consumers are growing more knowledgeable about the potential health effects of nail polish, and manufacturers have taken action. They have started removing potentially toxic ingredients and labeling their products as being free of those substances. However, these labels aren’t always accurate, and reformulated products aren’t necessarily safer. Plasticizers improve flexibility and chip resistance in nail polish. In the 2000s, concerns grew about the use of the plasticizer di-n-butyl phthalate (DnBP), a reproductive and developmental toxicant. In response, nail polish manufacturers began switching to other plasticizers. The trend spread, and labels now tout the absence of as many as 13 different chemicals, though there’s little standardization about which chemicals are excluded. But recent evid
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