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Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.
Few beauty rituals are as satisfying as a manicure. Especially one with a gleaming finish, its mirror-like quality unperturbed and chip-free. But the secret to that industrial-strength finish is trimethylbenzoyl diphenylphosphine oxide (TPO), a substance now coming under major scrutiny.
In September, the European Union reclassified TPO as a CMR 1B substance, “meaning…

