By Sydney Lupkin@slupkin Jul 16, 2013 6:00am A Tokyo spa is offering $243 snail facials, but dermatologists say it probably won’t have lasting health benefits. What the shell, right? The treatment, called, “Celebrity Escargot Course,” promises to help heal damaged skin and promote beauty, Yoko Minami, a sales manager at a Ci:z.Labo spa, told the Telegraph. The newspaper..