Water is a great solvent. It’s neutral and doesn’t provide any strong positive or negative effects. It just helps components to mix better and to transport active components.
Sodium Chloride is a very famous ingredeint also known as Salt. Yes, it’s the same salt you can find on your table. In cosmetics, it is used as a preservative helping the product to live longer. It is also used as a peeling agent in different scrubs. Human contact with this element since ancient times and that's why it is 100% safe.
Fragrance is a mix of chemical ingredients (usually 20-30 chemicals but up to 200 sometimes) that help the product to smell better. It can hide many bad things. Synthetic fragrances may contain many different chemicals, but manufacturers don’t want to reveal each of them for some reason and hide them behind the word "Fragrance".
Chemical fragrances can lead to irritation or cause allergic reactions. Fortunately, the fragrance is usually located at the bottom of the list meaning its concentration is low. If you see it at the top, it’s a bad sign… It's a good idea to test the product first in this case.