Bio-Botanica, Inc. Irish Moss In Glycerin is a product belonging to the plant family Gigartinaceae. Its Latin name is Chondrus crispus. The key chemical constituents include polysaccharide carrageenan, iodine, and sulfur. This product falls into the functional categories of food, beverage, and dietary supplements, serving as a source of nutrients, an additive, and a thickening agent. In the cosmetic and personal care functional category, it is relevant for skin care and as an additive and thickening agent.