A shine guide is disclosed for use in evaluating dental surfaces. The shine guide includes a substrate having an upper surface； and a plurality of gloss sections arranged on the upper surface of the substrate, wherein each of the plurality of gloss sections has a unique reflectivity measured in gloss units. Also described is a method for evaluating shine of a dental surface and packaging for dentifrices incorporating a shine guide.本發明揭露一種光澤指標，用以評估牙齒表面。光澤指標包括包括一基板，具有一上表面；以及複數個色澤漸層，排列於基板之上表面上，其中複數個色澤漸層中之各者具有以色澤單位量測之一獨特反射度。本發明亦揭露一種用以評估牙齒表面之光澤之方法，以及一種含一光澤指標之牙膏之包裝。
