Find when an opened cosmetic expires from its PAO date.
Adding the PAO months to the opening date gives the expiry month, then the months left are compared to today. Pastes and creams grow bacteria and lose actives with time, so the PAO date guards skin and eyes.
Cosmetic Expiration
Expiry = open month + PAO months (carried across years)
Expiry = open month + PAO months (carried across years) Adding the PAO months to the opening date gives the expiry month, then the months left are compared to today.
Pastes and creams grow bacteria and lose actives with time, so the PAO date guards skin and eyes.
This calculator takes 5 inputs: Months after opening, Opened month, Opened year, Current month, Current year. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.