What should be noted about excessive foreskin, thank you

Patient's question:

I have small, pearly-sized particles with a glossy appearance in the coronal sulcus of my glans. The hospital said it's a normal physiological phenomenon caused by excessive foreskin and does not require treatment. I would like to confirm this and find out what precautions to take. Thank you!
Is it caused by bacteria?

Doctor's answer:

Hello:
If there are no clinical symptoms such as pain or itching, treatment may not be necessary. It is recommended to have a dermatological examination for diagnosis and symptomatic treatment.

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