MOLVANY Castanea Crenata Inner Shell Pore Tightening Serum is a smooth and silky serum featuring 81% chestnut inner shell extract. It also contains patented ingredients like Syn-Hycan, Syn-Coll, BL Fill UP, DERMA-CLERA, and Anti-Sebum P. These ingredients work together for effective pore care, enhancing hydration and refining texture without irritation