Stephanie Geib, a hair stylist at Dellaria Salon on Comm Ave specializing in vibrant hair dying, puts the finishing touches on client Sarah Lodato's purple pastel dye-job. Geib, who rose to popularity as the forerunner of the "unicorn hair" trend in Boston, is also working to create a united guild of local hairstylists encouraging collaboration. that. "[it's] community over competition, sharing your formulas, talking with people, collaborating with other artists," she said. "I love that."