Forget the sunless tan, use Bald Guyz Sunscreen SPF 30+ it is a quick drying alcohol based get that does not sweat so so you don't have to wear a hat. It lets tanning rays through and blocks the harmful rays.
HBG
I think his point was that he is required to wear a hardhat all day 6dys a week... So the self tanners is an option. I use them during winters. some work better then others. But they do work..