Ancient secrets nasal rinse, breathe again is a sterilized, preservative-free saline that helps dry congestion due to colds and allergies. Breathe again is a european product that consists of naturally sourced seawater from the atlantic ocean. This spray is ideal for moisturizing and cleaning nasal passages due to pollution, dry air, air conditioning, dust and pollen. Each can of ancient secrets nasal rinse, breathe again contains 3.38 fl. Oz. Of simple and safe spray. See label for warnings.