Freds 73 Scamp restore on a budget

It does get absorbed in your skin over time, I always painted fully covered, but my face exposed.
My current employer, (aircraft) the painters are in fresh air suites, so no chemicals touch their bodys.
Breathing fresh air, and the suites also have ac pumped into it. It must be a luxury or a huge pain for the painters with the heavy paint suites they wear.
Think NASA astronaut
Yea I would guess with the suit and fresh air that would make a big difference but as you well know we on a budget do what we can.
I'm Gonna be painting my sons plane here soon I think any suggestions on paint to use.