A common ingredient in gel nail polishes, Trimethylbenzoyl diphenylphosphine oxide (TPO), has been banned in Europe due to potential toxicity and links to fertility issues. EU nail salons must stop selling TPO-based products, while US regulations remain unchanged. This could impact US brands and lead to shortages, with some industry members opposing the ban, citing economic concerns. Teljes cikk (Euronews.com)