Our dog's physiological saline eye cleansing solution contains sodium chloride, hyaluronic acid, and vitamin C. It can mimic the natural tear components of dogs, gently and insensitively removing dirt, secretions, and dust around the eyes, providing the most caring eye care for pets. Its usage is very simple: 1 Apply this product onto a cotton swab, then wipe the area around the dog's eyes from inside out until clean. 2. It is recommended to use it once a day in the morning and once in the evening, with 2-3 drops per eye each time. Thoroughly clean, every drop contains a deep love for pets. Regular cleaning helps pets maintain clear vision and vitality.