Skin dryness, rashes, eczema reaction to getting wet

hello

basically my skin is not in a good place, let's start with my feet.

my feet skin gets really hard, dry and dirty looking even right after shower, I do have my calluses removed about every 3 weeks via a feet specialist. What can I do to make my feet clean again, it's like I have dandruff on my feet.

My legs are dry, cracked eczema according to my doctor, it gets worse if they get wet, even with moisturisers can you recommend anything?

i am obese, and I get unknown reason why random rashes on my arms, back and belly. My skin that's rash free is dry, any time I shower it gets worse, without soap, even worse with.

my under arms, well I can't Put deodorant on, just alcohol based body spray to cover up smells, my skin gets so dry under arm area with normal deodorant it splits open - lucky scars blend in with stretch marks lol

now we move onto my neck, my sister calls it elephant skin, no matter how much I clean my body I dry out fast no found moisturiser works but with my neck, the gray/browned neck line is still there

i have a beard for 2 reasons one is a experiment other is to hide my red faced dry flakey skin. And onto my head, I have used so many shampoos to get rid of dandruff none work, many clean my hair beautifull.

if this helps I live in a hard water area, I have autism and extremely sensitive to touch, I have even had family members scrub me with no improvements

why is my skin so sensitive. Can you recommend a body spray for men to use no antiperspirants, a soap and shampoos, and some moisturiser

any tips on how to get over this?

Have you consulted with a dermatologist? Skin tissue is an organ and is subject to allergic reactions.
I get chapped skin in the winter from the dryness and cold. My skin did have a bad reaction to steroids that took years to clear up.
I did use benign oatmeal soaps with no fragrance hypoallergenic deodorants that seemed to help.
Best of luck to you.

My doctor does not want to send me until I flare back up, as I am having a good week.

I have to use alcohol based body spray for deodorant, as I flare up extremely bad to the point where my skin rippes open, my armpits are 60% scare tissue. I found this out at school, during puberty. So I really don't want to try another antiperspirant. Could you recommend any body sprays to be used as a deodorant?