Sebastián & Julio Cesar Velez Ocampo: Melasma-Long Term Follow up on Melasma Treatments LA&HA Symposium 2021 Related videos Dave Gerald Oenarta: Hypertrophic Scar Treatment with StarWalker® PQX Mark B. Taylor: Tips, Pearls and Pitfalls in Laser Aesthetics Susanna Marini: Perfecting Skin Tighthening with the Help of T-Runner® and Nx-RunnerTM Tian Yanli: New Insights into the Effects of Nd:YAG Laser Piano Mode on Animal Skin and Striated Muscles