The purpose of the present invention is to provide a cleaning agent for contact lenses that is easy to handle and exhibits an excellent cleaning effect against dirtiness caused by oily ingredients adhering to the surface of the contact lenses specifically oily dirtiness caused by the adherence of eye makeup and the like (cosmetic dirtiness) when compared to conventional non abrasive cleaning agents for contact lenses suited to cleaning by scrubbing. The purpose is achieved by providing a gelatinous cleaning agent for contact lenses that is characterized by containing polyether modified silicone oil a solubilizing agent and a gelling agent.