Diane Higgins Services There's only one place in the world to have a Diane Higgins facial. In her soothing, intimate space, located on Manhattan's Upper East Side. Every treatment is performed by Diane Higgins alone. In her confident, healing hands you'll experience transformative facial treatments and her undivided attention. Using a blend of holistic ingredients and scientifically based formulas with the latest advances in skincare, Diane works to bring your skin to a higher level of beauty.