How to Remove Dark Spots Caused from Ingrown Hairs from Upper Lip?

Ever since I started shaving I have always gotten ingrown hairs on my face especially on my upper lip. I have tried everything in order to get rid of the ingrown problems. The hairs would then form scabs and would come off and leave red/brownish marks in my skin. They have been there for years and haven't gone. I have tried many high street creams and none have worked. What do I do? Will these naturally go over time? I don't even have acne and this is a real problem for me.