It is a widely held belief, and oft-advertised property of neosporin that its use reduces scarring, especially as opposed to other triple antibiotic ointments.
For example: Livestrong
Neosporin is a popular antibiotic first aid ointment used on minor cuts, scratches, etc. According to the manufacturer, using Neosporin can help minimize the appearance of scars when the injury heals.
Is there any scientific basis behind this claim?