high purity pharmaceutical grade (USP Grade) sodium chloride (salt) sodium bicarbonate (soda) in an appropriate proportion Nasaline sachets are used to create a nasal-specific solution. The resulting solution has the ability to adjust isotonic or hypertonic according to our needs, has a specific pH to avoid chemical burns. It contains no iodine, additives or preservatives and is specially designed for nasal washes. Nasaline salt is recommended for use with the Nasaline Nasal Wash System instead of the usual iodine cooking salt, as the iodine contained in the cooking salt can cause allergic reactions. It is also not recommended to use seawater, which may be contaminated, contain pollen or algae. Each sachet Generates 250 ml of isotonic solution or two sachets in 250 ml of hypertonic solution. Vita4you makes every effort to ensure that the information and images of the products provided on the website are accurate. However, variations due to changes by the manufacturer are possible. We recommend that you read the labels, precautions, and instructions of use of all products carefully before using them. Properties A small volume, one box (8 x 8 x 8 cm or 50 sachets) is enough to create 12.5 liters of isotonic solution Easy to transport and store With each wash there is a new sealed sachet and therefore a clear solution No additives or preservatives Choice of isotonic or hypertonic solution Economical