Angular cheilitis scars / pink skin in the corners of mouth. It never heals, it just stays pink. Advice? (photos)

I've had this red-pink skin in the corner of my lips for over 2 years at this point. I tried almost every possible anti fungal / anti bacterial medicine out there, including Vaseline, none of which helps, so I'm guessing it's not the issue. It extremely bothers me esthetically. I'm guessing it's not angular cheilitis, so what do you think is the problem, and what procedure do I need to have in order to fix it?