White skin under foreskin, don’t know what it is please help

Hi it has been a few months now, i havent been to a doctor yet as it comes and goes, its not white spots or anything like that and it isnt because i dont wash. It's like a build up of white skin that i can sometimes pick at with my finger and it will make it go away temporarily, but it always comes back and seems to be getting worse as the white started out being only in the middle, it even feels like the area which its on is raised as though theres a bump or something underneath it. i have no idea what it is can anybody help.

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Are you circumcised? I am wondering whether the skin in the area has experienced a trauma such as circumcision …
What may help is if you get a prescription from your doctor for a steroid ointment that may help the skin to become stronger and heal correctly - I would suggest you would need to use a steroid correctly for at least 3 to 7 months to gauge whether the skin is becoming healthier or not.
If this continues long-term, and you have tried using a steroid by then, you will need to see a Dermatologist to check if you have a skin condition