Activated Charcoal 100% Pure (Carbon) FCC/USP Food and Water Grade (NSF). Activated Charcoal also known as activated carbon, is an organic compound. It is a black solid used in gas purification, decaffeination, gold purification, metal extraction, water purification, sewage treatment, air filters in gas masks and many other applications. Powdered Activated Carbon (PAC) passes through 80-mesh sieve. This powder is 99% less than 325-mesh. PAC has a very large surface to volume ratio with small diffusion distance. One gram of PAC can have a surface area of ~1,000 square meters. Beauty: Teeth whitening, clarifying face masks, exfoliant. Agriculture: Used by organic farmers as an animal feed additive, processing aid, nonagricultural ingredient and disinfectant. Wine Making: Used in organic winemaking as a processing aid to absorb brown pigment from white grape concentrates. Not suitable for strong acids or alkali, cyanide, iron, lithium, arsenic, methanol, ethanol or ethylene glycol. Incorrect application results in pulmonary aspiration, which can sometimes be fatal if immediate medical treatment is not initiated. Additional: Absorbs nasty odors, regulates humidity, blocks static electricity, and many more!