Girls, hello everyone, please help ?? We have such a problem ?, it's a…

Girls, hello everyone, please help ?? We have such a problem ?, it's a big problem for us, through tears ? There is no plaster, but there is a red spot, I don't even know what to smear, powder, creams all sorts, Bepanthen smeared. But nothing helps. I attached a photo, maybe someone had this, help me with what to do…