Makeup Expiration Calculator
Makeup Expiration
Track makeup product lifespan and replacement schedule.
Formula
Remaining Life = Shelf Life (months) - Months Since Opened
Frequently Asked Questions
How long does mascara last?
Mascara should be replaced every 3 months to prevent bacterial growth.
When should you throw away makeup?
Follow the PAO symbol on packaging, which shows months after opening.
Can expired makeup cause problems?
Yes, expired makeup can cause skin irritation, breakouts, and infections.