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Money explainer

Per unit or per area: two ways to price the same injection

Neurotoxin quotes usually arrive one of two ways: a price per unit, or a price per area. They describe the same injection with different parts of the quote left blank.

Reviewed Sep 14, 2026. Education only: mechanics and arithmetic, not financial advice.

Sources checked Sep 14, 2026

What a per-unit price leaves open

A per-unit price is a rate. The total is the rate times the number of units, and the number of units is decided by the person holding the syringe — usually after you have agreed to the rate.

  • The brand, because a unit is defined by the product it belongs to
  • The units for each area, and the total
  • Whether a touch-up adds units, and what those cost

What a per-area price leaves open

A per-area price bundles an unstated number of units into one figure. The total is easier to see; what is inside it is harder.

  • What counts as one area — whether the forehead, the frown lines and the crow’s feet are one area or three
  • How many units the area price includes, and what happens if more are used on the day
  • Whether both sides of the face count as one area or two

Units don’t convert between brands

Each neurotoxin’s prescribing information says its units belong to that product alone. Botox Cosmetic’s label says its units cannot be compared to or converted into units of any other botulinum toxin product, and the Dysport, Xeomin, Jeuveau, Daxxify and Letybo labels say the same of theirs.

So a per-unit price from one place lines up with a per-unit price from another only when the brand is the same. Across brands, the figures that compare are totals for the same areas.

Turning either one into a total

  1. Get the brand by name.
  2. Get the units per area and the total units, in writing.
  3. Multiply, then add any add-ons, fees and tax.
  4. Divide that total by the units to see the effective price per unit, everything included.

Worked example · hypothetical figures

Two quotes for the same three areas, same brand

Quote A says $12 a unit, “usually around 50 to 60 units”. Quote B says $250 an area, three areas, and doesn’t say how many units.

Quote A at 50 units
$600
Quote A at 60 units
$720
Quote B, three areas
$750
Quote B per unit
Not stated — the area price doesn’t name the units

Quote A is a $120 range until the unit count is written down. Quote B is a single number with an unknown count inside it. Neither can be divided into the other yet.

The figures are invented to keep the arithmetic easy to follow. They aren’t typical prices, and nothing here says what a price should be.

Questions to ask

  1. 1Which brand is this price for?
  2. 2How many units for each area, and how many in total?
  3. 3If more units are used on the day, what does each extra unit cost?
  4. 4Is a touch-up included, and are its units extra?
  5. 5Is this price per unit or per area — and what counts as one area?

Put a per-unit quote into the calculator

Units, areas, add-ons and tax, with the effective price per unit.

Open the quote calculator

Sources