You sweat. You wipe with the gym towel. You throw it in the bag. It sits, damp, in a warm gym bag for four hours before it gets washed.
The fact
That's the perfect breeding environment for the exact bacteria (Cutibacterium acnes, Staphylococcus) that cause post-workout breakouts.
What to do about it
The travel 10-pack lives in the gym bag. One towel per session. Fresh every time.
What Kunbi is
Kunbi 10-pack travel size for the gym bag. Or the 50-pack for home.