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Eleven Week Materials Course – Module 3 (online)

Ashley Eden Kessler leads an eleven week session exploring crucial materials in the perfumers’ organ.

Perfumer Ashley Eden Kessler leads an eleven week session exploring the crucial materials in the perfumers’ organ: an indispensable first step in practicing perfumery and an opportunity to grow a technical familiarity with the materials. This is module three of a total of three modules.

These modules are not consecutive: any student can start at any module (though modules 1 and 2 cover more commonly used materials). Beginners are welcome!


In each 2 hour online session, Ashley will lead the class in smelling and discussing five crucial perfume materials – both naturals and synthetics. Over eleven Tuesday sessions, we will systematically go through the materials organ category by category, going into the function, aesthetics and technicalities of each material and its fragrance family.

Participants will leave with a fluency in the most important molecules of modern perfumery.

For beginners, this class presents an indispensable first step in practicing perfumery and growing your familiarity with the materials. For more experienced perfumers, the class presents an opportunity to enrich your process and technical abilities.

Join us!


  1. Jan. `16 (Powdery Synthetic)
  2. Jan. 23 (Powdery Natural)
  3. Jan. 30 (Musk Synthetic)
  4. Feb. 6 (Animalic Synthetic + Natural)
  5. Feb. 13 (Anisic Synthetic)
  6. Feb. 20(Anisic Natural)
  7. Feb. 27 (Vanilla, Balsamic Synthetic)
  8. Mar. 5 (Balsamic Natural)
  9. Mar. 12 (Minty Synthetic, Natural)
  10. Mar. 19 (Aromatic Synthetic)
  11. Mar. 26 (Aromatic Natural)

Materials Needed: We will send you a materials list upon signup. Please purchase these materials before attending class. Before class, we will send you dilution exercises, which must be accomplished before the online session begins.


  • Technical knowledge about the molecular components of the studied material
  • Knowledge of aromatic materials’ origins and use in fine perfumery
  • A greater familiarity with aromatic materials and fragrance families
  • Proficiency with organoleptic evaluation

This is an online class. The Zoom link will be sent by email 24 hours to registrants with the “live attendance” ticket before each class session. Please be sure you can attend all the classes live before registering as this course has an interactive component. A link to the class recording will be send to registrants with the “video only” ticket as well as the “live attendance” ticket. We will share the video for this class with registered participants for 7 days after it takes place.


  • Dates: Tuesdays, January 16, 2023 – March 27, 2024
  • Time: 4:00PM – 6:00PM PDT (use a time converter to find your local start time)
  • Location: Online

Learn about our eleven week session modules here.


A Los Angeles native, Ashley came to perfumery after forays into other creative disciplines. Sculpture, Architecture, Theater, Film and Design were the initial steps on her search for a mode of expression that would support both a dreamer and a pragmatist, a creative mind fascinated equally by science and by art. Perfumery, the science of the ineffable, is where the road finally took her.

Her first introduction to scent was by way of a gift on her 16th birthday: a bespoke fragrance formulated by renowned perfumer Sarah Horowitz. The study of architecture and design led to travel and work in film art departments, but ultimately it was to Sarah Horowitz Parfums she returned. From apprentice to Junior Perfumer at SHP, she was smitten with the field. Dropping everything else, she immersed herself in study and practice.

Her education in niche perfumery continued at LA’s Lucky Scent, and seeking a more formal education in the field, she moved to France to study at the prestigious Grasse Institute of Perfumery. There, she distinguished herself with her final brief- winning one of GIP’s coveted awards. After her studies, she returned to the U.S., having accepted a position as a Perfumer’s Assistant at Drom Fragrances International, one of the world’s top fine fragrance studios. After two years in that position, she was offered the chance to move back to Los Angeles as consultant for Sarah Horowitz’ new business initiative, Original Scent. In 2013, Ashley joined the Institute for Art and Olfaction as an instructor, and in 2015 she founded her perfume company, Sentir Studio.


Important note: Materials lists will be sent upon sign up. Look out for a confirmation of registration email from Eventbrite! Because we send the materials list right away, there are no cancellations or transfers allowed for this class. Nor can we offer credit for missed classes. Note also that event tickets are non-transferable.

This is an online class that will take place on Zoom. The Zoom link will be sent by email approximately 24 hours before the class. Lest this email end up in your spam folder, please be sure to add hello@artandolfaction.com to your address book.

For video-only attendees: We will send each class video once the class is over, and it will be viewable online for 7 days after the session. Please do not share it beyond yourself.

+ Event times are listed in Pacific Time (PDT); please use a time converter for your local start time.

+ Please download and install Zoom before the class starts, to avoid last minute technical issues.

+ Learn more about how we teach and our community guidelines here: https://artandolfaction.com/newcomers/.

+ We will upload the class recording after session, and share it for 7 days with attendees. This video is view-only, and expires at the end of the 7 day window.

+ We will send you a list of materials and teaching formulas upon signup, as part of your Eventbrite confirmation of registration.

+ Unfortunately, we cannot offer refunds or credit for this class. Note also that event tickets are non-transferable.

Photo credit: Institute for Art and Olfaction / Laptop by Michael Geiger on Unsplash

January 16 2024


Date: 16/01/2024
Time: 16:00 - 18:00
Event Categories:
Website: Visit Event Website


The Institute for Art and Olfaction
Website: Visit Organizer Website