Replengen presents a series of hyaluronic-acid-based dermal fillers from the South Korean biotechnology company Reanzen Co., Ltd. “Replengen” is a compound word of replenish + tissue regeneration. Highest-quality HA (manufactured by Shiseido company, Ltd., Japan) is used in Replengen fillers. The series contains 3 products Replengen Deep, Replengen Fine, Replengen Volume  that differ in the scope, indications for use, and composition (the presence of lidocaine).