Dr. Natthachat is a board-certified dermatologist and attending instructor at the Division of Dermatology, Ramathibodi Hospital, Mahidol University. He specializes in dermatologic surgery. His expertise centers on procedural dermatology, energy-based devices tailored for Asian populations and cutaneous ultrasound. He founded the Ramathibodi Cutaneous Ultrasound Team (RCUS) to advance the application of ultrasound in dermatology, with a focus on managing aesthetic complication