Yes, you are absolutely allowed to bring sunscreen into both Universal Orlando Resort and Universal Studios Hollywood in 2026. In fact, bringing your own is highly recommended given the intense UV index in Florida and California, which can reach "dangerous" levels in the summer. Universal allows both lotion and aerosol spray sunscreens through the security screening process. There are no size restrictions for sunscreen similar to the TSA's 3-1-1 rule, so you can carry full-sized family bottles in your backpack. It is a "pro-tip" to reapply every two hours, especially after riding water attractions like Jurassic Park River Adventure or Popeye & Bluto's Bilge-Rat Barges. While the parks do sell sunscreen in their retail shops, it is often significantly more expensive than at a standard drugstore. In 2026, many visitors also carry compact UV umbrellas (under 18 inches) for portable shade while waiting in outdoor queues, which are permitted as long as they are stowed in lockers before boarding most thrill rides.