Scrub Agent, Viscosity Control

Good
SODIUM CHLORIDE

More popularly known as common table salt. Used primarily as a binding agent in skincare products and occasionally as an abrasive in scrub products.ξ

Perhaps the most common use of sodium chloride in cosmetics is as a thickening agent. Salt is commonly used to thicken the water (also known as aqueous) phase of shampoos, body washes, and non-soap facial cleansers. ItŠ—Ès an inexpensive and highly effective, versatile ingredient included in numerous types of cosmetics.ξ

Reference for this information:

http://www.cosmeticsinfo.org/ingredient/sodium-chloride-0