Amazon has the Betadine Antiseptic First Aid Spray (3 oz) for $4.49 - 5% off with Subscribe & Save (can cancel anytime) = $4.27 with free shipping on $35+ or with Prime (extra 15% off for 5+ subscribe and save orders).

This is an aqueous solution of povidone-iodine 10% that kills germs promptly in minor cuts, scrapes, and burns.