The European Union recently banned the sale and use of trimethylbenzoyl diphenylphosphine oxide – also known as TPO – for its alleged reproductive toxicant qualities. Most gel nail polishes contain TPO, as it’s the key ingredient to ensure a shiny finish after hardening following exposure to UV light. However, Canada has yet to take any similar action, considering its risk-based model for product regulation. But if the writing is on the wall about TPO’s dangers, what is stopping Health Canada from taking a proactive stance on reproductive safety? You can subscribe to The Big Story podcast on Apple Podcasts Spotify.