Unit Cost Questions to Settle Before Signing a Refillable Perfume Contract

Key takeaways

1. Unit cost is set by specification decisions, so it should be discussed while those specifications are still open rather than after the quote is issued.
2. A refillable product usually carries more bill-of-materials lines than a sealed one, and each added component adds a price, a tolerance and a supplier to qualify.
3. The quantity that matters for pricing is the smallest order the supplier will run, not the volume the brand hopes to reach in year two.
4. Cost per millilitre is a useful comparison only when fill volume, oil load and the refill contents are equivalent across the options.
5. Anything excluded from the price, including tooling, artwork adaptation, testing and freight, should be written down before signature.

Founders often treat unit cost as the last item on a checklist, to be negotiated once the product exists. Suppliers see it the other way round: the price is a report on decisions already made in the spec, the pack and the order plan.

This is why two brands can be quoted very different numbers for what sounds like the same product. The difference is rarely a mysterious factory advantage. It is the accumulation of small specification choices, and each of them can be asked about directly.

The questions to settle while the specification is still open

1. What exactly counts as one unit?Clarify whether the price covers the primary pack only or the primary pack plus the refill container, the carton, the leaflet and any closure variant.
2. How many components sit under the part number?Ask for the bill of materials as a count. Each line has its own purchase price, lead time and quality risk, and refillable designs add lines.
3. Which quantity sets the price?Establish the smallest run the supplier will schedule and the break points above it. Pricing scales in steps, not smoothly.
4. What fill volume and oil load are assumed?Confirm both, because the concentrate is usually the most expensive input and the fill volume multiplies it.
5. Who owns and pays for tooling and artwork adaptation?Moulds, decoration plates and print setup are one-off items, and they should be listed separately rather than folded into a unit price.
6. Which tests are included, and which are extra?Compatibility, stability and transport testing may be quoted per project. Ask which are inside the price and which are billed on top.
7. What happens to the price if a material is restricted or discontinued?Ask how reformulation is priced and how quickly it can be done, before the situation arises.
8. What is the tolerance on the price itself?Material and currency movement are real, so ask for the conditions under which the quoted price can be revised and the notice period that applies.

Why a refillable format changes the arithmetic

More parts, more cost lines, more places to fail

A sealed spray is a small number of components: bottle, pump, cap, juice, carton. A refillable system adds a refill vessel, its own closure, and often a funnel or transfer element, plus tighter tolerances so the parts work together repeatedly. Every one of those is a purchase, an inspection and a potential reason for a batch to be held.

Durability is the part buyers underestimate. A refill has to survive repeated opening and closing and still seal. That requirement shows up in component cost long before it shows up in a complaint, and it is one reason regulation now treats refillable packaging as a design obligation rather than a marketing choice ^[1].

The refill changes the repeat purchase, not just the first sale

A refillable product has two units to price: the initial pack and the refill. Brands frequently negotiate hard on the first and ignore the second, then discover the refill economics decide whether the format is commercially viable at all. Put both on the table at the same time and ask how the refill price behaves at different volumes.

There is also a real trade-off to accept. A heavier, better-sealing refill component may cost more per unit and reduce breakage, while a lighter one improves freight and shelf economics. Neither answer is universally right; the decision belongs to the brand, but it should be made with both numbers visible.

Cost per millilitre is a comparison trap

It is tempting to compare quotes by dividing price by millilitres, and the result is only meaningful when the oil load, the alcohol grade and the refill contents are the same. A cheaper cost per millilitre frequently reflects a lower fragrance load, not a more efficient factory.

If you cannot see the load, ask for it. Comparing fragrance quotes at the level of the concentrate rather than the bottle is the single most reliable way to see whether two prices are describing the same product. A fuller account of the lines a supplier estimate can contain is set out in this walkthrough of where a perfume quote can hide costs.

Reading the number when it finally arrives

A quote is a document with assumptions. The useful exercise is to annotate it: mark every figure you can trace to a specification decision, and every figure that appears without a visible input. The second group is where disputes start, and it is usually small enough to resolve in one call if you raise it before signing.

There is also a structural choice underneath the arithmetic. When compounding, filling and the sourcing of bottle, pump and carton sit with a single supplier, one freight leg, one quality gate and one schedule replace several, and that is the plain commercial case for one-stop fragrance manufacturing rather than a chain of specialists.

Public supplier pages are capability statements rather than price lists, and https://www.xuelei.com follows that pattern: it describes the services and the categories a factory handles, while the price for your product has to be built from your brief. That is normal, and it is why the questions above matter more than any figure you might read online.

One more habit is worth adopting. Keep a written record of what each price assumed, and require the assumption to be restated on the invoice. When the brief changes later, as it usually does, you will be able to see whether the change in price matches the change in scope.

Frequently asked questions