Incense perfume formulas. Middle notes are less volatile and are what help tie the aromas in a blend together. That means 10-20 parts of the formula to 80-90 parts perfumer's alcohol or jojoba oil. In incense, top notes and middle notes usually blend into one another until the top notes start dissolving away. This formula contains potent ingredients that should be diluted to between 10% and 20% before use. If you are one of the following you are sure to want the empowerment that The Perfumers Formulation Bulletin offers; Book includes complete detail, machinery, raw matrials, formulations, process to start new industry. . Usually when you see an incense note in the description of a perfume it’s Olibanum ( try Olibanum by Profumum Roma ) or Frankincense but could also be a refference to a smoky or dark note. Key ingredients of a natural Frankincense oil have been known already for quite a long time. Infusion d’Iris Type Formula Floral, Woody & Musk | 38 ingredients $36. It contains a big quantity of α-Pinene (sometimes over 50%) which is found in citruses and oils of coniferous plants, as well as many other natural oils and possesses a fresh and sweet earthy piney smell.