Malibu, I'm not sure why you keep saying that makeup and hairdryers are dead weight. Myself, I always take my hairdryer . . .true, I don't use it every day, but I still like to have it. The hairdryer that I carry with me is just a little travel dryer with a folding handle; even so it pumps out 1200 watts.
As for makeup, I don't wear any during the day, but I do apply eye makeup for evening. If you are talking face makeup, then I totally agree. It will probably just slide right off anyway. I don't use it at home either, and so in that regard, it's a non-issue for me.
I totally agree with using a strong sun-screen and get the waterproof kind. I've even burned the backs of my hands. For sunburn, I use the green aloe jelly. Works well and if you forget to bring it with you, they sell it at the pink supermarket.