Shower as soon as possible after sweating
Wash your back daily with a gentle, non-comedogenic cleanser
Use a body wash or cleanser with salicylic acid or benzoyl peroxide
Exfoliate gently 1 to 2 times per week
Avoid harsh scrubbing or picking at pimples
Wear loose, breathable clothing
Change out of sweaty clothes quickly
Wash bed sheets, towels, and workout clothes regularly
Keep hair products off your back
Use non-comedogenic lotions, sunscreens, and body products
Keep long hair tied up when possible
Avoid backpacks or tight straps rubbing on the area
Consider an over-the-counter acne treatment for the back
See a dermatologist if it is severe, painful, or not improving