something appeared 1 year ago how can i solve it

I applied the gel and it doesn't fall off, sometimes it itches

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did you cut yourself bad when you shaved? it looks like old scaring

Looks like a scar from a chemical burn from the gel you used. These types of burns can itch for many months too.

Yes its about 1year ago but not from shaving, it just showed up.

is not from gel bcs it showed about 1 year ago.

Sorry I misunderstood.