Why gel nail polish is banned in Europe starting today — but not in the US
Beginning Sept. 1, the European Union has banned an ingredient commonly found in gel nail polish. The banned substance, TPO (trimethylbenzoyl diphenylphosphine oxide), gives nails an ultra-glossy sheen and a quick dry time under UV or LED light. 3Gel nail polish, which has gained popularity since the 2000s, is a type of nail polish that…





