Glycerrhetinic acid INCI: Glycerrhetinic acid What is Glycerrhetinic acid? Glycerrhetic acid is a synonym for glycyrrhetinic acid, which is isolated from Glycyrrhiza glabra or licorice. For more information see: Glycyrrhiza glabra. Notice: the information collected here is limited in terms of use and scope. For more information click here.