It has to actually cool you down
Sounds obvious. It’s not. A lot of mists feel “wet” but not cool. The good ones drop your skin temperature for a real moment, not just a vibe.
It has to hydrate, not just hydrate-adjacent
This is where most products fail. Plain water on hot skin = evaporation = drier skin than you started with. You want humectants. Glycerin, hyaluronic acid, panthenol. Things that pull water into your skin and lock it there.
It can’t ruin your makeup
If I have to redo my undereye concealer because my mist had too much oil, we are no longer friends.
The nozzle matters more than you think
A chunky, splashy spray is useless. You want a fine, even mist that lands like a cloud, not a sneeze.