I've been thinking of using the new Jergens "glow" lotion one!

http://www.jergens.com/our_collection/index.asp

They work with your body chemistry to temporarily change the color; I always think of mood rings But some of the older ones you have to put on smoothly, etc. will streak and you can't put them on your face, etc. so you have to be careful which you buy; the more expensive ones (and they are expensive!) are better I think.

They don't work for being out in the sun though, you need an SPF of 15 or even 30 these days to protect you from the sun:

http://www.skincancer.org/sunscreen/...explained.html