Makeup Hack Contact Lens Case for Leak-Proof Travel Traveling with makeup? Here’s a genius space-saving and leak-proof tip: use clean contact lens cases to store small amounts of liquid makeup like foundation, primer, or even cream concealer. These tiny containers are perfectly sealed, so you don’t have to worry about spills in your bag. They're also TSA-friendly and ideal for touch-ups on the go. Just label each side, and you're good to glow—mess-free and organized wherever you go!
