IN THIS LESSON
- Start with a question and a small palette.
- Record materials, stock strengths and actual masses.
- Evaluate on labelled blotters before developing a finished product.
Start with an experiment you can explain
A productive first session has a narrower goal than “make a beautiful perfume.” Try “compare three rose materials” or “find out how a fruity floral changes a jasmine sketch.” You should be able to name the thing you are changing and the observation you hope to make. That turns an enjoyable afternoon into knowledge you can use in the next formula.
Choose three or four materials with clear identities and accessible supplier documentation. A small set makes mistakes easier to diagnose and gives you time to learn each material. An expanding collection is useful only when your observations grow with it. You do not need an ingredient for every note family before you can begin.
Build the working space around accurate records
Use a stable scale, labelled glass containers, scent strips, transfer pipettes and a notebook or formula record. Match the batch size to what your scale can reliably measure; the last displayed decimal does not automatically represent an accurate measurement. A clean, level surface and a repeatable weighing process matter more than an elaborate bench.
Read each material’s supplier safety data sheet before handling it, and follow its handling, ventilation, storage and protective-equipment instructions. Keep bottles capped between transfers and keep food, children and pets away from the work area. These are working ingredients, including when their names sound familiar from flowers or foods.
- Give the experiment an ID such as ROSE-001 and write one sentence stating its purpose.
- List the exact materials, supplier grades, stock strengths and solvents.
- Label the trial container and blotters before transferring any material.
- Create a planned formula and leave a separate place for the masses actually weighed.
Learn a material before asking it to blend
Study each material separately at a documented evaluation dilution appropriate to that material and its supplier guidance. A working stock is not an instruction to apply it to skin. Smelling an unknown concentrated bottle gives you a poor comparison with a diluted strip and can overwhelm the session.
Write your own words before looking at the supplier’s odor description. “Green, slightly waxy, reminds me of a florist” is a useful observation. “Good” is a preference without much information. If a material seems faint, record that and return later instead of repeatedly moving it closer to your face.
Make one controlled variation
Begin with a simple ratio on paper. For example, an imaginary three-material study could use 60, 30 and 10 parts. Those parts become 60%, 30% and 10% because they total 100. A 10 g trial would require 6 g, 3 g and 1 g of the specified inputs. This is arithmetic, not a recommendation for a particular ingredient combination.
For the next version, change one balance. Moving five parts from the first ingredient to the second produces 55:35:10. The total stays at 100, making comparison straightforward. Changing every ingredient at once may produce an interesting result, but it makes the cause harder to identify.
Compare over time, then keep the evidence
Give both trials the same evaluation treatment: same dilution basis, similar strip loading, matching observation times and the same room. Note what dominates at first, what emerges later and what remains at the final observation. Top, heart and base are helpful ways to describe this development; they are not three sealed compartments.
Keep the less successful trial in your record. It explains why the next version exists. Write a decision such as “Version B is too fruity after one hour; next trial lowers benzyl acetate while preserving the floral core.” A precise next action is more valuable than declaring a version finished after one sniff.
Know the next milestone
Your first milestone is a reproducible study and a clear observation. A personal fragrance or saleable product adds further work: concentration, compatibility, stability, packaging and an appropriate safety and regulatory assessment. Our educational accord sketches have not completed that work. Treat them as exercises for learning relationships between materials.
Use the formula builder to turn a ratio into a batch record, and use the blotter journal to keep the formula and the observations connected. After a few controlled studies, you will have a small library of decisions that belongs to your own nose.
Questions & answers
Can I make perfume using only essential oils?
You can study compositions made with essential oils, but they are complex mixtures with their own handling and use constraints. Their origin does not remove the need for documentation, accurate weighing or product assessment.
Do I need a large starter kit?
No. A few well-documented materials are enough for comparison exercises. Choose materials that serve a specific study, then expand when you can explain what the next material will help you learn.
Can I copy a formula in drops?
Drops are a poor basis for reproducing a mass-based formula because drop size varies with the liquid and dispenser. Use weighed quantities and record the actual additions.
LESSON PROGRESS
Finish the reading and exercise, then mark this lesson complete.
Sources & further reading
Institute for Art and Olfaction: Perfumery Primer ↗Institute for Art and Olfaction: Working with Scent ↗IFRA: Using the Standards ↗Editorial learning guidance. No bench testing or professional qualification is claimed. Published September 24, 2026.