I did the salt and ice challenge and after 3-4 days the effected area becomes reddish-black and it hurts a lot. But a few days ago its starts to - kind of - dry up and it does not hurt anymore but the area is itchy. Today, the effected area itself was itchy an when I scratch it, it could be peeled off, so I peeled. The peeled part is normal skin but its really white. Is this white skin okay, will it become a scar or stay forever and how will I treat it?