Professor Dr. Woraphong Manuskiatti, Assistant Dean for International Relations and Director of Siriraj Skin Laser Clinic delivered a presentation on topic “Fighting with Melasma: Win or Lose” at the “9th 5-Continent-Congress in Lasers and Aesthetic Medicine” and “Battling with Laser-Induced Postinflammatory Hyperpigmentation” during August 31 – September 1, 2018, in Barcelona, Spain.