So worried about those thing bumps and cuts

As I have previously stated to you you may need the help of a Dermatologist to help sort the penile skin issues you have.
If you want to self-treat / remedy the very basis of this is to exclude all soaps, shower gels from even contacting any of your penile skin - and yes, that would be difficult to do in itself, but these are the most common cause of penile skin issues.
The basic in practical terms would be to never apply these directly to your penis - make sure when you have a shower you spend quite some time using the running water to remove any soap or shower gel that have gotten onto your penis then fully dry.
The thing is with penile skin that looks like this is that it will take some considerable time to even start to look any different - and I am talking way in excess of 8 months + for you - that is if there are NO further irritants contacting your penile skin in future …