HomeEducationInternational Skin Care TechniquesJul 16th, 2009Cathy Christensen, Cecille MationgPhiladelphia, PA, USAPennsylvaniahttp://www.dermalinstitute.comPhone:610-265-6072 Intensive five-day class is a gold standard in skin care, offered in all locations throughout September and October. Includes an exclusive DVD featuring Jane Wurwand.