Our eye drops contain glycerin, panthenol and PCA sodium. It can reduce discomfort and promote clearer vision, moisturize and cool the eyes, and relieve eye discomfort. Its use method is very simple: 1. Take a tube of this product, remove the cap; 2. Put eye drops in your eyes; 3. Put the lid on; 4. It is recommended to use twice a day for better results. Eye drops provide essential moisture and nutrients to the eyeballs, moisturize and cool them, keep them healthy, and enhance vision.