Neutrogel 30 is a mixture of thickener and ice cream formulated to give ice cream a wonderfully creamy texture. Thanks to Neutrogel it is possible to obtain an ice cream that is identical to that of the best professional ice cream. Method of use: From 6 to 10 G per liter of milk used. The quantity depends on the ice cream you want, in any case it is clearly indicated on the label. ingredients. guar gum, dextrose, lactose, gum, locust bean gum, agar.