There are two reasons why sunscreen-related breakouts occur: Occlusion of the pores by comedogenic materials: Heavy, oily sunscreens can block the pores and cause breakouts.

Why does sunscreen give me acne?

Segal, MD, two things can cause sunscreen-related pimples: clogged pores from comedogenic ingredients or a sensitivity to chemical UV-blocking agents. In other words, the mineral sunscreens can sit on top of your skin and gunk up pores, while the chemical ones might irritate vulnerable skin.

How do you prevent breakouts from sunscreen?

'Look out for sunscreens with an oil-free formula and pick up those that are not water-resistant,' she says. 'While water-resistant formulas keep the sunscreen on your skin, they also trap any excess oil underneath, which can lead to breakouts. ' But if you're on-the-go, Dr.