Stick with epoxy resin as it is the safest and easiest material to work with as a beginner. It is also the most robust resin and is unaffected by environmental factors. The drawbacks of earlier resins were eliminated with the development of epoxy resin. The artwork becomes yellow over time when using alternative resins, a common issue. Epoxy resin is immune to yellowing since it is UV light resistant. As a result, using epoxy resin will give your artwork a longer shelf life.