I can understand that - I'd also suggest false eyelashes as you don't have a mascara smear/run problem if you get some stoddard solvent on your hands from that carb rebuild then take a swipe at your eyes/face! An updo may be indicated as well, but for Goddess's sake, resist the temptation to wear a corset under such conditions. Drop a tiny part on the floor, and you're not gonna be able to bend over to pick it up - it might as well be on the moon!Sometimes I like to feel pretty while I turn wrenches, and my mom says that's OK.
It also just occurred to me to recommend lip stain rather than ordinary lipstick, for much the same reason as avoiding mascara!