Assoc. Prof. Uraiwan Panich, the Chairwoman of the Department of Pharmacology, Faculty of Medicine Siriraj Hospital, Mahidol University, was invited as a guest speaker to deliver a special lecture on the topic “Novel Mitochondria-targeted Sulfide Delivery Molecules Prevent Photo-ageing.” at “The 13th Annual Meeting on Skin Ageing & Challenges” in Lisbon, Portugal, between November 17th – 18th, 2022.