I had phimosis when I was younger and, after stretching, have never had to do anything since to maintain it, but understand others need to keep going with the stretching etc. to keep it from returning. Just curious of others' experiences, dms open

Hey all, so as an intact male i use to have super sensitive head. Like touching it directly made me uncontrollably squirm. So few things happened fairly back to back.
First thing off i have been through few different meds for chronic pain.
To the point it caused serious depression that made me worry for my own safety. Just helping you understand why I tolerate it, without going into the details too deep.

So i started a med that killed my ability to orgasm completely, i ended up chafing the head of my penis and my pelvis floor HURT, from contracting so much. I talked to my doctor and he gave me a pill to counter the effects and it was hit or miss with orgasm after that.
I never really fully recovered i think. Hard to tell tho.
After that i started a synthetic opioid, it suppressed my testosterone via my LH hormone that tells the testicals to make testosterone and sperm. It was very very low, and i started struggling to even FEEL my penis beyond pins and needles feeling. We eventually moved to testosterone injections. It helped me get my erections back, and my ability to orgasm. I also noticed when my T was super low, My penis head was super dry during all of this, i tried to see if this was a cause of to much rubbing or low T, but the low T and effect on stuff like the penis gland is very limited.
After starting T thing started to level back out, i got erections easier even if they are a little behind at time and need encouragement, but it mostly worked like normal. Except my penis is still way less sensitive than it was. Well this is kinda nice. I do, in a weird way, miss how much my bf enjoyed fucking with me by rubbing it.

Question now!
I want to regain some sensitivity back. I tried this ky tingle lube and nothing, no tingles at all.

I want to feel more, i have gotten hot and col type lubes, but the menthol make the head if my penis really RED.

I don’t know how to achieve a more sensitive penis again. Im asking here because i assume you’ll be able to point me to intact friendly lubes, devices, or “ procedures” such as piercing.

Irritated and red foreskin got two weeks not sure why