Welcome to Who Does Your Hair?! Behind door No. 1: the mega salon complete with bad attitude and snooty faux-Euro accents. Behind door No. 2: a charming boutique salon and the most easy-going beauty scene in town. Two?Ding! Ding! Ding! Here’s what you win: Thomas Chance Hairdressing, a luxurious little spot (black and purple velvet fleur-de-lis wallpaper, ornate white mirrors) where the skilled stylists keep the emphasis on sexy hair with their bang-up blowouts, extensions, deep-conditioning treatments, and flattering cuts and color. Owner/celeb hairdresser Eli Thomas’s handpicked team includes balayage artiste Rachel Lindy of the now-defunct M Murphy and color and straightening whiz Amber Maynard, a former Fred Segal talent (gun-shy curlicues can test the waters with her semipermanent Brazilian technique that lasts up to six months).Why not take your chances?Thomas Chance Hairdressing, 1025 Montana Avenue, between Tenth and Eleventh Streets, Santa Monica (310- 451-4477 or thomaschance.com).