Fluoride mouthwash is a liquid dental product that contains fluoride, a mineral known for its ability to strengthen tooth enamel and prevent cavities. It is typically used after brushing and flossing to help reduce the risk of tooth decay and improve overall oral health. Using fluoride mouthwash can be especially beneficial for individuals at higher risk of dental issues, such as those with a history of cavities or gum disease. It is important to follow the instructions on the label, as excessive use can lead to dental fluorosis, a condition that affects the appearance of teeth.