These nasal drops work by moisturizing dry nasal passages and clearing nasal congestion, which is especially important for babies who primarily breathe through their noses. Clearing their nasal passages before feeding and sleeping can help ensure they breathe comfortably and easily. The inclusion of the aspirator in the package allows for easy application of the saline drops, making it convenient for parents to administer the solution to their little ones. Overall, FESS Little Noses Saline Nasal Drops with Aspirator offer a gentle and effective way to help babies breathe easier and alleviate nasal congestion naturally. As always, it's essential to follow the instructions provided and consult with a healthcare professional if you have any concerns about your baby's nasal health.