I trashed my makeup at the beach—sunscreen explosions, sand in the zipper. Then I found a waterproof makeup bag for beach trips that actually handles the chaos without turning into a mess itself.
Most bags just resist water. For real beach days, you need sealed seams, a coated zipper, and a lining that doesn't trap moisture against your powders.
Beach Makeup Bag Must-Haves
The coat... https://obeautycase.com/