ROHTO C3 Contact Lens Cooling Eye Drops 13ml is a very cost-effective eye drop! Can be used while wearing contact lenses and is recommended for dry and tired eyes. Mineral ingredients are added to provide moisture and taurine is added to provide nutrients. Can be applied to all contact lenses (soft, hard, O2, disposable, colored contact lenses, including round lenses). It can also be used with naked eyes, such as after removing contact lenses. Environmentally friendly packaging. In order to reduce the amount of paper used, precautions for use are written on the inside of the outer box. To reduce the amount of plastic used in labeling, the container itself does not have a front label. No added preservatives (benzalkonium chloride, parabens). Cooling feeling 5, recommended to those who like it