Three reusable pages. Print at actual size / 100%.
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THE BENCH COLLECTION 01 / FORMULA
A formula worth coming back to.
Write the stock as it appears on the bottle, then record every amount by mass. Keep a version so the next experiment has a clear starting point.
FORMULA RECORD / ALL AMOUNTS IN GRAMS
Project / accord
Formula version / date
Target concentrate mass (g)
Scale resolution (g)
#
Exact material / stock Supplier + lot in notes
Stock % w/w
Parts
Target stock (g)
Actual stock (g)
Neat material (g)
01
02
03
04
05
06
07
08
09
10
11
12
TOTAL
Keep two numbers separate. Neat material = stock mass × stock strength ÷ 100. For example, 2.5 g of a 10% stock contains 0.25 g neat material and 2.25 g stock solvent. This is arithmetic, not a perfume recipe.
Stock solvents / lot numbers / change from last version
A calculation does not establish solubility, stability, skin suitability or compliance. Follow the documentation for your exact materials and intended application.
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THE BENCH COLLECTION 02 / BATCH & COST
Make the batch. Keep the record.
Plan the amounts, record what actually happened, and cost the bottles you can fill. Use grams for mass and one currency throughout.
Batch / trial ID
Date / formula version
Prepared by
Currency
Before you weigh
Target recovered mass (g)
Concentrate dose (% w/w)
Assumed process loss (%)
Starting mass to make (g)
Concentrate to weigh (g)
Added carrier to weigh (g)
After the batch
Actual recovered mass (g)
Fill mass per bottle (g)
Complete bottles filled
Mass remaining (g)
Concentrate / carrier lots
Evaluation / follow-up date
Starting mass = target recovered mass ÷ (1 − loss % ÷ 100). Concentrate = starting mass × dose % ÷ 100. Added carrier = starting mass − concentrate. Bottle volume does not equal fill mass.
What did it cost?
Concentrate + added carrier
Packaging + labels
Labour + other batch costs
Total / complete bottle count
What is the price?
Cost per complete bottle
Target gross margin (%)
Price = cost ÷ (1 − margin ÷ 100)
Comparison markup (%) / price
Margin = profit ÷ price. Markup = profit ÷ cost. At a 12-unit cost, a 60% margin gives a 30-unit price; a 60% markup gives 19.20. Include taxes and selling costs only as appropriate to your own assumptions.
Actual changes / observations / follow-up
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THE BENCH COLLECTION 03 / BLOTTER STUDY
Let the scent tell its story.
Follow the same strip through five observations. Choose your own intervals and record the elapsed time. Describe what you perceive before deciding what to change.
Sample / formula version
Date / strip ID
Stock strength (% w/w) / solvent
Comparison sample / conditions
INTENSITY / 0 NOT PERCEIVED → 5 VERY STRONG
01
ELAPSED TIME ______ MININTENSITY 0 1 2 3 4 5
Descriptors · balance · change since the last observation
02
ELAPSED TIME ______ MININTENSITY 0 1 2 3 4 5
Descriptors · balance · change since the last observation
03
ELAPSED TIME ______ MININTENSITY 0 1 2 3 4 5
Descriptors · balance · change since the last observation
04
ELAPSED TIME ______ MININTENSITY 0 1 2 3 4 5
Descriptors · balance · change since the last observation
05
ELAPSED TIME ______ MININTENSITY 0 1 2 3 4 5
Descriptors · balance · change since the last observation
One question for the next trial.
Keep the conditions consistent. Changing one variable makes the comparison easier to interpret.