What is TPO? ‘Reproductive toxicant’ being completely banned in gel nail polishes this August

NAIL technicians in the UK will no longer be able to use varnishes containing TPO starting from this August following a ban on the use of ingredient. Trimethylbenzoyl Diphenylphosphine Oxide (TPO) is the chemical that allows gel nail polish to cure under a UV light lamp, making it go hard and glossy. But studies have...