Rubbing Alcohol cleans minor cuts, scrapes and burns while helping to reduce the risk of getting an infection. Use small amounts of rubbing alcohol on affected areas one to three times daily. Once alcohol dries, wounds may be covered with sterile bandages. USP rubbing alcohol contains 70 percent of pure isopropyl alcohol to prevent bacteria growth.Rubbing Alcohol cleans minor cuts, scrapes and burns while helping to reduce the risk of getting an infection. Use small amounts of rubbing alcohol on affected areas one to three times daily. Once alcohol dries, wounds may be covered with sterile bandages. USP rubbing alcohol contains 70 percent of pure isopropyl alcohol to prevent bacteria growth.