That natural coating is just oil. The US washes the egg, then reapplies the oil. The EU forbids washing to encourage producers not to have salmonella in the fi

That natural coating is just oil. The US washes the egg, then reapplies the oil. The EU forbids washing to encourage producers not to have salmonella in the first place, the US prevents the salmonella by washing. In practice the EU vaccinates their chickens against salmonella. Around half of US producers do as well.