WARNING: The following image might gross you out!!!
Growing up with almost clear skin, adult acne came as a shock to me. I did not suffer the wrath of acne until last year when I suddenly got plagued with cystic acne. I know something is wrong with my hormones and stuff so I scoured the internet for answers.
While I resort to the internet, I highly suggest you check with your dermatologist. I'm just sharing my experience and this post should not be treated as an expert opinion.
I have here a snapshot of my left cheek. As you can see, I don't have any active cystic acne at the moment but I have a lot of dark acne scars. I'm too ashamed of my skin that I watermarked my image using a font color similar to my skin tone =( Being used to having clear skin in previous years, I tried to get rid of acne by picking on them which is a big no no!!! Sometimes I find myself picking on my skin when I'm stressed and just realized it became a habit... a bad one =(