Hi, I have a small black mole that appeared with a couple of other moles during puberty. A year ago, I noticed the mole felt a bit rough and when I rubbed my finger on it black skin flaked off. Ever since then, it'll occassionally do this. New black areas will grow and the mole will get rough/dry and the top layer will eventually peel off. What could be the cause of this? Is this a symptom of melanoma? I searched online and it says a flaking mole could be cancerous and now I'm freaking out.