Estimate how long an exfoliator lasts and its monthly cost.
Exfoliators are used in small amounts a few times a week, so the product lasts many months depending on frequency. Exfoliating too often can irritate skin, so a moderate cadence both protects skin and stretches a product's value.
Exfoliation Product Cost
Months per bottle = size / (mL per session x sessions per week x 4.35)
Months per bottle = size / (mL per session x sessions per week x 4.35) Exfoliators are used in small amounts a few times a week, so the product lasts many months depending on frequency.
Exfoliating too often can irritate skin, so a moderate cadence both protects skin and stretches a product's value.
This calculator takes 4 inputs: Product price, Product size, mL per session, Sessions per week. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.