As Europe's ban on a common chemical in gel nail polish goes into effect, should you start skipping the salon? The European Union instituted a ban on trimethylbenzoyl diphenylphosphine oxide (TPO) ...
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 ...