September always brings with it a let’s - get-stuff-done energy, and apparently, the EU has taken note. Starting September 1st, the EU banned all nail polishes that contain the ingredient TPO from being sold or used by technicians and salons. They listed the ingredient as a CMR (carcinogen, mutagen, and reprotoxic), meaning it could promote cancer, cause permanent change to genetic material, or lead to reproductive and fetal issues. The UK also looks set to follow suit before long. For all those wondering, here’s what the change means for your biweekly manicure stateside.

What is TPO?

“TPO, or trimethylbenzoyl diphenylphosphine oxide, is a key ingredient found in many gel products, especially top coats,” celebrity manicurist Michelle Class explains. TPO is not present in normal,

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