See how long a brow pencil lasts and the yearly cost.
A brow pencil wears down over many days, and dividing by how many days it is used each month gives its lifespan in months. Brow pencils are used almost daily, so their small price still becomes a recurring touchpoint worth including in the beauty budget.
Brow Pencil Usage
Months per pencil = days per pencil / days used per month
Months per pencil = days per pencil / days used per month A brow pencil wears down over many days, and dividing by how many days it is used each month gives its lifespan in months.
Brow pencils are used almost daily, so their small price still becomes a recurring touchpoint worth including in the beauty budget.
This calculator takes 3 inputs: Brow pencil price, Days per pencil, Days used per month. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.