Samil Pharmaceutical Co., Ltd. manufactures and sells pharmaceuticals in South Korea. Its product range includes general medicines such as Tiersil Once, EYE2O mini eye drops, and Optagent ophthalmic drops, as well as medical devices, secret spotpatch quasi-drugs, and roll away products. The company also offers specialty medicines, including Hycell solutions; ophthalmic drops such as Curelen, Ocufridine, Ocumetholone, Ocucyclo, Ocuhomapine, Ocucarpine, Allerfen, Optanac, Forus, Eymox, Cifex, and Ocuracin; and ophthalmic ointments such as Herpecid, Forus, and Ocurasin. Founded in 1947, Samil Pharmaceutical Co., Ltd. is headquartered in Seoul, South Korea.