Baking soda is an ideal product in the hygiene of the whole family. It has multiple uses, and the advantage that it generates zero waste. It is useful to provide relaxation and leave the skin smooth, firm and soft in a hot bath, also as a tooth whitener added to the usual toothpaste. As a mouthwash, it freshens breath and neutralises acidity in the mouth. Used in the armpits, it is a perfect odor neutraliser. It can be used as an exfoliant, to clean hair, and many other applications.