Pullulan is a polysaccharide made from starch, produced by fermentation, consisting of maltotriose units. It is an excellent lubricant and adhesive with film-forming properties. It does not modify the viscosity of the final product, and improves foam retention.
Trehalose 100 is a natural disaccharide that consists of two glucose molecules bond by α-1,1 glycosidic linkage. It protects skin and hair from damage. It also provides excellent moisturizing properties.