Reduction of Bacterial Seeding in Total Shoulder Arthroplasty

Inclusion Criteria: * Adult male 18 years of age or older undergoing elective primary total shoulder arthroplasty, including both anatomic and reverse total shoulder arthroplasty, for indications including massive rotator cuffs, rotator cuff arthropathy, glenohumeral osteoarthritis, and acute fractures. Exclusion Criteria: * Any revision shoulder arthroplasty procedure or other shoulder surgery that is not a primary shoulder arthroplasty. * Patients with allergy to active ingredients in Prontosan gel * Patient is unable to consent for themselves * Patient is non-English speaking * Females