Harmony XL Pro Workshop at Aesthetic Dermatology Academy Conference (ADAC) 2019 at Radisson Blu Hotel. Harmony XL Pro Workshop at Aesthetic Dermatology Academy Conference (ADAC) 2019 at Radisson Blu Hotel. Harmony XL Pro Workshop at Aesthetic Dermatology Academy Conference (ADAC) 2019 at Radisson Blu Hotel. Harmony XL Pro Workshop at Aesthetic Dermatology Academy Conference (ADAC) 2019 at Radisson Blu Hotel.