Dr.Ratchathorn is a board-certified dermatologist. She earned PhD in dermatology focusing on hair stem cell. She also completed her fellowship in dermatologic surgery at DLVSC, Charlotte, NC, US and fellowship in hair and nail disorders from University of Miami, Miami, FL, US. She also received diplomatic American Board of Hair Restoration Surgery. She has authored many medical papers in the fields of hair restoration surgery, hair disorders as well as cosmetic dermatology.