You may have already used a hydrocolloid patch to treat a blister or small wound, and the process with pimple patches is the same: They draw out any excess oil and gunk. The patches also help acne ...

The Science: Pimple patches are typically made from hydrocolloid material, a substance originally used in medical dressings ...

Pimples—as much as we despise them ... as the micelles act as magnets to draw oil, dirt, and debris out of the pores, ...