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  2. Period-after-opening symbol - Wikipedia

    en.wikipedia.org/wiki/Period-after-opening_symbol

    The period-after-opening symbol or PAO symbol is a graphic symbol that identifies the useful lifetime of a cosmetic product after its package has been opened for the first time. It depicts an open cosmetics pot and is used together with a written number of months or years. In the European Union, cosmetics products with a shelf life of at least ...

  3. Shelf life - Wikipedia

    en.wikipedia.org/wiki/Shelf_life

    Shelf life. This pack of diced pork says 'Display until' 7 May and 'Use by' 8 May. Shelf life is the length of time that a commodity may be stored without becoming unfit for use, consumption, or sale. [1] In other words, it might refer to whether a commodity should no longer be on a pantry shelf (unfit for use), or no longer on a supermarket ...

  4. Expiration date - Wikipedia

    en.wikipedia.org/wiki/Expiration_date

    The expiration date of pharmaceuticals specifies the date the manufacturer guarantees the full potency and safety of a drug. Most medications continue to be effective and safe for a time after the expiration date. A rare exception is a case of renal tubular acidosis purportedly caused by expired tetracycline. [ 7 ]

  5. 7 surprising facts about car seats for Child Passenger Safety ...

    www.aol.com/7-surprising-facts-car-seats...

    Expiration dates may be printed directly on the seat or on a manufacturer’s label attached to the seat. Sometimes, car seat manufacturers will require the owner to calculate the expiration date ...

  6. Cosmetic packaging - Wikipedia

    en.wikipedia.org/wiki/Cosmetic_packaging

    The EU's definition of "ingredients" does not include raw or technical materials used in production that do not end up in the final product. In some cases when durability is an issue, the manufacturer must list an expiration date after the product has been opened. The words "best used before" are common for identifying the product expiration date.

  7. Lot number - Wikipedia

    en.wikipedia.org/wiki/Lot_number

    The lot number enables tracing of the constituent parts or ingredients as well as labor and equipment records involved in the manufacturing of a product. This enables manufacturers and other entities to perform quality control checks, calculate expiration dates, and issue corrections or recall information to subsets of their production output ...

  8. Drug expiration - Wikipedia

    en.wikipedia.org/wiki/Drug_expiration

    Drug expiration. Drug expiration is the date after which a drug might not be suitable for use as manufactured. Consumers can determine the shelf life for a drug by checking its pharmaceutical packaging for an expiration date. Drugs which are past their shelf life can decompose [1] and either be ineffective [2] or even harmful. [2]

  9. Some at-home COVID tests have expiration dates changed ... - AOL

    www.aol.com/home-covid-tests-expiration-dates...

    Compare your test’s lot number and original expiration date to the list. If you see a match, look at the last column of the document to see the test’s new expiration date. If you don’t find ...