Just that really! I've been googling but they all seem to be "anti frizz." My hair has never gone frizzy in its life - the issue is that although it's thick, i.e., lots of it, my hair is really fine. And very straight. It can be curled with a wand really quite tight, but any hint of damp in the air and the curls drop.
Please recommend some kind of product to help! TIA