I had 2 episodes of balanitis when younger; would the resolution of this result in foreskin and glans being especially shiny? or is shiny normal?

Here are some ...: Having a direct look would help greatly make an accurate Dx. But, what described suggested you may have lichen sclerosus, which is commonly associated with long foreskin but may occur with no reason. To verify what it may be, seek professional evaluation and counseling so to decide if something needs to be done or not. Best wishes...