The UK has announced new restrictions for travelers flying with any kind of powders, whether instant coffee, make-up, or spices, aboard flights. The U.S., Australia, and New Zealand already treat powders in the same way as liquids, but the UK’s position on outright banning or severely limiting powdered substances has yet to be confirmed. The policy is a response to a number of foiled terrorist plots in which powders were a component.
Source: Powders to be banned from hand luggage at UK airports
