I feel like I just came across archaic knowledge.
There is apparently a natural way to regrow your foreskin even if you were cut extremely thinly without any medical procedure.
Only catches you have to perform a certain stretching action continually for months similar to exercise so most people will not be willing to put in that effort because it takes around 3 to 4 years to regrow on average.
@bronze If you want to learn to here's the website.
https://www.restoringforeskin.org/
And if you want to try.
I recommend method 2 it's the most reliable and easy to understand and can be used no matter if you think you don't have any left.
https://www.restoringforeskin.org/public/manual-tugging/method-2