Jianhui Gao

How to track cosmetic expiration dates

Practical ways to track makeup and skincare expiry and open dates at home — for products you already own.

2026-08-12

Quick answer

Record open dates, save period-after-opening marks when present, and set gentle reminders before products age out of your comfort zone.

Two dates worth tracking

  1. Printed expiry — when the package shows one
  2. Open date / PAO — when you break the seal and the jar symbol applies

You do not need a lab notebook. A short list is enough.

A weekly 3-minute habit

  • Add anything newly opened
  • Mark anything finished
  • Glance at reminders for the coming weeks

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