Mehron 3-D Gelatin Effects is used to create make-up with three dimensional effects. How to use 3-D Gelatin Effects: Heat to a liquid form, brush it on, let it cure and then carve up your design. Adhesive is not necessary to use when applying 3-D Gelatin Effects. Remove it from the skin using warm water. 3-D Gelatin Effects may be used as a substitute for latex on children.