if you can do this without getting it in your eyes, i would make a paste of cayenne pepper and olive oil and apply that and see if any improvement can be seen. i hear that cocoa butter is good for scars as well. time will also help it along. i have a place like that on my arm from grinding poison ivy into it last summer and i have not bothered with it because of location.
if that doesnt work, maybe vit E oil and cayenne paste. i think this would work but i just dont know how quickly. individual results usually vary!