The present invention relates to compositions, kits and methods for treating skin at sites of concerns such as infectious lesions and/or points of insertion of an insertable medical device to prevent contamination such as infections or protein absorption that may interfere with the function of the device. The composition can be a topical skin treatment composition that includes polyethylene glycol (PEG), triclosan, one or more of a salicylate, bronopol, and an acrylic emulsion, and, optionally, a solvent.