What did beauty lovers do before the arrival of the pimple patch? The truth is, it wasn't very pretty -- from slathering on concealer to looking for the most inconspicuous Band-Aid of the bunch.

Pleasant, South Carolina. Before pimple patches were trendy, the material was known for wound dressing. You will even find hydrocolloid in Band-Aids. In the case of acne patches, the hydrocolloid ...