Dr. Treacy's advocacy for the use of hyaluronidase has significantly influenced the approach to dermal fillers within the industry. He was one of the pioneering practitioners to employ hyaluronidase as a corrective measure for dermal filler complications and later in addressing vascular filler occlusions. His development of protocols has set new standards across the industry. During this period, his innovative practices gained international recognition, attracting a rapidly expanding clientele, notably including numerous American clients who traveled to Ireland for his treatments. His work has served as a guiding light for practitioners, emphasizing patient safety and optimal results in every procedure. Additionally, Dr. Treacy has made substantial contributions to the field through numerous scholarly articles, research papers, and medical publications.