Ibuprofen and water. But for real: tide pens, make up wipes, safety pins, bobby pins and I always bring super glue and my hot glue gun just in case as well as needle and theeads to match my cosplays. Also power bars and Gatorade/Pedialyte are super underrated for cons. I'm diabetic so snacks are mandatory:')

Liquid IV Got 2 b spray travel size Contact lens case and eye drops Pain medicine Bandaids Safety pins Super glue

Everything said plus my body spray because I sweat a lot and I’m worried I start smelling.