Medicube Azelaic Acid Exosome Shot Pore Ampoule 7500 is an advanced concentrated serum designed to care for pores and improve overall skin texture. With a powerful formula based on exosomes and active ingredients, this product helps minimize enlarged pores, control excess sebum and revitalize tired skin. This stronger formulation is recommended to be used 3-4x a week to help stimulate collagen production and restore skin structure.