The past few years have revealed quite a few new travel restrictions, with one of the more prominent ones being the much stricter rule for packing liquids and gels into three-ounce bottles before entering airport security. And while this rule was clearly a major change for travelers, the latest Transportation Security Administration (TSA) announcement might be just as huge when it comes to deciding how to pack for your next trip.

As reported by CNN, the TSA will now be limiting the amount of powders in carry-on bags of travelers entering the U.S. From June 30 onward, all powder substances—including makeup, protein shake mix, and spices—will be restricted to only 12 ounces (350mL) allowed per carry-on (that’s about the average size of a standard soda can). This new policy will hugely affect those carrying dietary supplements like collagen powders or whey protein, as well as meal replacement powders like Soylent and Huel, causing a hinderance for those who rely on these products for nutritional value.

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Luckily, these larger quantities of powder products can still be placed in checked bags when traveling, so frequent flyers shouldn’t be too worried about the new restriction. Plus, the reasoning behind this new policy is quite frightening. In fact, the inspiration for the change comes from a failed plot to blow up an Etihad plane in Australia: “[The] Australia plot contributed to the current focus on powders ,” a TSA agent told CNN, adding that improvised explosive devises containing powder explosives have always been a concern.

Considering the safety of flyers is at risk by failing to monitor powders in carry-on bags, we can’t help but support this newest policy. We’ll be sure to update this post if any additional information is revealed by the TSA.

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