What Is Aloe Vera Gel？ Aloe vera gel is a juice obtained from the gravy portion of the perennial Liliaceae Aloe leaf (purified and processed), and is mainly composed of aloe-emodin, aloe-inosine, various sugars, enzymes, amino acids, and the like. For light yellow-green liquids, the relative density is 0.98 to 1.02 and the pH is 4-6. Mainly used in cosmetics, …