One kind of pimple patch is called a hydrocolloid patch. Like other acne patches, it’s sold over the counter. It’s a small piece of material that goes only on an open pimple. A hydrocolloid ...

When securing critical devices, a higher level of adhesion product, usually acrylate or hydrocolloid ... are secured with clear, transparent polyurethane dressings that contain acrylate adhesion ...