Sodium chloride, also known as table salt, is an inorganic salt. It is used in various industries, including processing aluminum, beryllium, copper, steel, and vanadium. In the pulp and paper industry, salt is used to bleach wood pulp. In tanning and leather treatment, salt is added to animal hides to inhibit microbial activity on the underside of the hides and to attract moisture back into the hides. In many dairy industries, salt is added to cheese as a color-, fermentation-, and texture-control agent. In canning, salt is primarily added as a flavor enhancer and preservative.

Regarding its safety, sodium chloride is generally considered safe for use in cosmetics and personal care products. It is rated as a low concern for cancer, allergies and immunotoxicity, and developmental and reproductive toxicity. However, it is important to note that excessive consumption of sodium chloride can lead to health problems such as high blood pressure and heart disease.

In summary, sodium chloride is a common inorganic salt used in various industries, including tanning, dairy, and canning. It is generally considered safe for use in cosmetics and personal care products, but excessive consumption can lead to health problems.