Cheese brine is a salty solution used in the cheese-making process, primarily for preserving and flavoring cheese. It is typically made from water and salt, and sometimes includes additional ingredients like herbs or spices. The brine helps to create a protective barrier around the cheese, preventing unwanted bacteria from spoiling it while enhancing its taste. During the aging process, cheese is often submerged in or coated with brine. This method is common for cheeses like feta and mozzarella, which benefit from the moisture and flavor that the brine imparts. The brining process can also influence the texture and overall quality of the final product.