Why Bacne Gets Worse in the Summer (and What You Can Do About It)

If you think your back has more breakouts in the summer, you’re not imagining it. “Bacne” (back acne) often flares up during warmer months, and a few common summer habits may be to blame.

Why Bacne Gets Worse in the Heat

Acne breakouts on your back tend to worsen in warmer weather. Here’s why:

  • Sweat and heat increase oil production and trap bacteria in the pores.
  • Tight or non-breathable clothing (like athletic gear or swimsuits) can create friction and hold moisture against the skin.
  • Staying in sweaty clothes after workouts or outdoor activities allows bacteria to sit on the skin longer than it should.
  • Sunscreen and other body products—especially thicker or oil-based formu