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How Many Units of Botox Do I Need?

August 12, 2026 · Ina · 5 min read

It is the most common question we are asked, and the most common answer people find online is a single number. That number is almost always wrong for the person reading it.

What actually determines the dose

The number of units is determined after an individual assessment. It depends on the treatment area, your muscle strength, your facial anatomy, your goals and whether you prefer a softer or a stronger correction.

Muscle strength varies enormously between people. Two clients with visually similar frown lines can require noticeably different doses because one has substantially stronger muscle activity than the other.

Typical ranges by area

As a general guide, and only as a guide:

  • Frown lines: approximately 15–25 units
  • Forehead: approximately 8–20 units
  • Crow's feet: approximately 12–24 units

Your exact treatment plan and number of units will be discussed during your consultation, once we have seen how your muscles actually move.

Why under-dosing is not the safer option

People often ask for the lowest possible dose in the hope of a subtler result. In practice, a dose that is too low can wear off quickly and produce an uneven effect, which usually means returning sooner than planned.

A well-planned dose for your anatomy is what produces a soft, natural result that lasts a predictable amount of time.

What to ask at your consultation

  • Which areas are actually contributing to what bothers me?
  • What will this look like at two weeks, and at three months?
  • What happens if I do nothing in one of the areas we discussed?
  • How will this change if I continue treatment over several years?

If you are considering treatment in Calgary, book a consultation and we will go through your assessment and plan in person.

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You don't need to know exactly which treatment you need before booking. We'll start with your concerns, goals and an individualized assessment.

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