Yay! I'm the first "Other" vote!!
I use a camp towel. I think it's made with viscose or something. I don't know. I bought it for camping but found out that it's great for my hair and I love that it dries quickly! I've never used anything else except your regular terry towel. Except sometimes I change my shirt while my hair is drying (but out of a towel) and I scrunch my hair a little as I take off my t-shirt!