OPI is one of the most recognized nail polish brands worldwide, but not all of its shades are free of harmful chemicals. The ...

EXCLUSIVE: Medical nail technician Sarai Quinice Reeves is in favor of the gel nail polish "toxic ingredient" ban in Europe ...

Starting this week, gel polishes that contain a key chemical ingredient can no longer be used in the bloc’s 27 member ...

1. The ingredient, trimethylbenzoyl diphenylphosphine oxide (TPO), helps gel and hybrid polishes harden under UV light. While it had previously been restricted to professional use only, regulators say ...

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The European Union has banned a key ingredient found in many gel nail polishes, effective Monday, Sept. 1. The ingredient, trimethylbenzoyl diphenylphosphine oxide (TPO), helps gel and hybrid polishes ...

A common ingredient in gel nail polishes has been banned by the European Union. In a document obtained by Newsweek, European officials deemed trimethylbenzoyl diphenylphosphine oxide (or TPO) as a ...

Most gel nail polishes use TPO as a ‘photoinitiator’, an element that lets the nail polish harden faster when placed under ultraviolet light, as well as helps it retain their tint for a longer time.

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European countries have banned a key ingredient typically found in many brands of gel nail polish. Trimethylbenzoyl Diphenylphosphine Oxide, commonly called TPO, has been deemed a toxic ingredient and ...