Andrew Huberman· PhD
generally if you work out if you let sweat dry on your skin it causes several problems number one is irritation itself from the salts that crystallize from the sweat drying off number two the sweat itself as a source of food for certain yeast that are normal symbiotic yeast that live on our skin so it contributes things like dandruff um what we call tinia versicolor which is a type of yeast that grows on our skin