In order to assist your baby breathe more easily, Fess Little Noses Saline Nasal Spray is a mild saline solution that thins and loosens mucus to help clear a blocked nose. Since it doesn't contain any medication, you can take it as often as necessary starting on the day your baby is born. The way FESS Little Noses works is by moisturizing dry nasal passages and thinning and releasing nasal mucus. This facilitates your baby's breathing by clearing stuffy nostrils. The spray is preservative and additive free. Your kid will breathe more easily if you use FESS⁽ Little Noses Saline Drops or Spray to thin nasal mucus and clean stuffy noses.