There are hard lumps under the skin in the middle of the penis

The skin of the penis is very thin, and the skin of the penis is covered by the foreskin for a long time. If you do not pay attention to cleanliness, some secretions will be formed under the skin, and it will become some hard granular substances for a long time. It is recommended to open the foreskin every day, wash it with warm water, and persist for a long time. This situation will slowly be alleviated. If it does not work, you can go to the hospital for diagnosis and treatment.