Summer Essentials: Hair

(Part 2 of the Summer Essentials series. See also: Made for Walkin')For most of us, heat + humidity + seawater + anything else related to summer activities = bad hair.Sometimes I think it's a futile effort to try to straighten hair in the summer - it never seems to want to stay that way! But, whichever way you wear it, here are a few essentials to get you through the hot weather with gorgeous