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Dr Christian Köhler, MD – an expert in esthetic surgery, non-surgical techniques, and esthetic laser treatments – has, for more than 10 years, headed up the Prevention Center in Zürich, Zug and Schaan, Switzerland. He has more than 18 years of experience in general, vascular, reconstructive, and plastic surgery and to date has performed more than 50,000 nonsurgical treatments with botulinum toxin and fillers.