Medical delivery devices and methods for applying a barrier composition to a targeted skin surface

A dispenser device containing a topical skin barrier composition for dispensation to a targeted skin surface, the topical skin barrier composition consisting essentially of:

• a first component selected from the group consisting of butylated hydroxytoluene, benzalkonium chloride, methylparaben, ethylparaben, isopropylparaben, isobutylparaben, heptylparaben, benzylparaben, butylparaben, chloromethylisothiazolinone, and methylisothiazolinone;
• a second component selected from the group consisting of monolaurin, Echinacea extract, cimetidine, dextran hydrogel, resveratrol, podophyllum, tea tree oil, thuja oil, carrageenan, hydrated silica, and mixtures of two or more thereof;
• and
• a third component that is a combination of a hydrophobic carrier and an aqueous carrier;
• wherein the dispenser device has a reservoir containing said topical skin barrier composition, and a roller, pad or nozzle for dispensing the topical skin barrier composition to form an anti-microbial barrier coating along the targeted skin surface so as to hinder transmission of wart-causing microbial entities to the targeted skin surface.