Male athlete seen with sweat on his face.

What Happens to Your Skin After You Sweat?

Grant Howe ·

Sweat itself isn’t bad for your skin, but what it leaves behind can be. After a workout, your skin holds onto a mix of oil, salt, and bacteria that can clog pores and lead to irritation if it sits too long. Here’s what’s actually happening and why a quick reset makes a difference.