There’s a growing trend in professional education—one born from social media, nurtured by legions of social media followers and honed by savvy social media stars. Specifically, a new group of independent educators are hitting the road, popping up at host salons around the world and teaching their unique techniques for intimate groups with or without support or backing from sponsors. It has all happened organically, just like the social media growth of the artists who are conducting the classes: bridal and upstyling expert Stephanie Brinkerhoff (@hairandmakeupbysteph); elegant wave and upstyle master Mustafa Avci (@hairsalonm);…