Glyceryl Ester Buono New ingredients No known benefits Glyceryl Ester description Large group of ingredients that are composed of fats and oils. At room temperature, the fats are usually solid and the oils are generally liquid. Some tropical oils are liquids in their sites of origin and become solids in cooler or different applications. These multitudinous fats and oils are used in cosmetics as emollients and lubricants as well as water-binding and thickening agents.