Black salt (powder) is made using the traditional method of kiln-fired where the raw salts are fired into a kiln for 24 hours sealed in a ceramic jar along with small quantities of hard seeds, amla, Behera, babul bark, or natron. The color of the black salt might range from brownish pink to dark violet. Since the Vedic ages, black salt is considered to have multiple therapeutic benefits. It is considered a cooling agent and is also
used as a laxative and to help digestion, poor eyesight, and hysteria.