Natural fragrances are generally made from ingredients harvested from sustainably grown plants. They mainly consist of natural isolates which is a single chemical isolated from a plant that contains a particular smell. These aromatic raw materials are usually obtained through distillation, expression and extraction much like essential oils. Natural fragrances are complex compositions of natural aromatic raw materials such as essential oils, isolates, resins, distillates and extracts. Each are skilfully combined by perfumists and blended together, to produce the desired end smell. 100% natural
Fragrances and naturals do not have INCI numbers themselves because they are complex mixtures of multiple ingredients. The individual ingredients (most of them) have INCI numbers, but not the final formulation.