Skincare Expiry Dates & the PAO Symbol

The PAO symbol is the open-jar mark that indicates a cosmetic’s period after opening; for example, 12M means twelve months after first opening under the product’s stated conditions. It is different from a printed expiry date, which you must also respect. Write down when you open the product and follow its own label rather than applying one shelf life to every item.

How we chose the guidance

• Read the actual label before applying a general rule about skincare shelf life.
• Keep first-opening information separate from manufacture, purchase and expiry dates.
• Use simple household records that remain useful after the outer box is discarded.
• Consider storage instructions and visible changes alongside dates, without claiming to test a formula at home.

What the open-jar symbol tells you

PAO stands for period after opening. When the open-jar mark contains a number followed by M, the number describes months after opening. A 6M mark and a 12M mark therefore represent different periods; neither is a universal rule for all creams or all serums. The examples here explain the notation and are not shelf-life claims about a particular product.

The clock relates to first opening, not to the day you decide to start using the product regularly. Opening a second bottle to try its texture can make its opening date relevant even if the first bottle is still your main one. Record the date when you first open it so you do not have to reconstruct it later.

The mark is guidance for that product under its stated conditions. It is not a promise that every bottle will remain unchanged regardless of storage or handling. Read any accompanying instructions on the carton and container, especially where the label gives a storage condition or additional direction.

Expiry, manufacture and purchase dates have different roles

A printed expiry date tells you about the labelled endpoint for using the product. A manufacturing date, if explicitly identified, tells you when it was made. Your receipt tells you when you purchased it. None of these automatically supplies the date you first opened the container, and they should not be swapped into the same calculation.

Where both an expiry date and an opening period are shown, keep within both. Opening a product does not reset its printed expiry. For example, if an opening-period calculation would run beyond the printed expiry date, do not use the later calculation to extend the label’s endpoint.

A batch code is also different. It identifies a batch and may need a brand-specific interpretation. Do not turn a code into a date merely because it contains digits resembling a year. When wording or date format is unclear, send a photograph of the complete marking and nearby text to the seller for clarification.

A simple way to track your opened products

• Read before opening. Find the expiry date, PAO mark and storage wording, wherever they appear on the package.
• Record the first-opening date. Use a small note on the container or a phone note linked to a photograph of the item.
• Keep the label information. Photograph the carton if it contains details that are missing from the bottle or jar.
• Set a reminder from the actual label. Use the stated number of months and keep any printed expiry date in view as well.
• Check before restarting a neglected product. Look at your record and the condition of the packaging before returning it to the daily routine.

What if there is no clear PAO mark?

Do not supply an assumed six-month or twelve-month period from memory. Inspect the carton and any instructions supplied with the item, then ask about the specific product if the information remains unclear. The same approach applies when a printed symbol is rubbed away or a date is difficult to read.

Describe what you can see and include the exact name and size. A question about one container is more useful than asking how long a whole brand lasts. Different products within a brand need not share the same instructions, so another bottle on your shelf should not become the substitute label.

Storage in UAE homes: make the label easy to follow

Choose a storage location that fits the product’s directions and is easy to use consistently. Avoid leaving your routine in a parked car or on a sunny windowsill. A cool room does not erase an earlier period of unsuitable storage, and a PAO reminder cannot tell you the temperature history of a bottle.

Keep caps closed between uses and follow the dispensing instructions. Do not add water to stretch a product or transfer it into an unlabelled container that loses the identity, batch and date information. For travel, keep the original instructions available so the product does not become an anonymous jar in a wash bag.

Refrigeration is not a universal solution. Use it only when the product’s own directions call for it, rather than assuming every serum belongs in a fridge. This guide does not assign storage temperatures to products whose labels have not been supplied.

Dates do not replace a condition check

If a product leaks, its container is damaged or its appearance or smell changes unexpectedly, pause use and ask for clarification. Do not assume an in-date label explains away the change. Equally, visual inspection cannot confirm every aspect of product condition; a bottle looking normal is not a reason to ignore an expired date.

Buy replacements around what you actually finish. Review your routine order before opening multiple serums or moisturizers. Keeping fewer partly used alternatives makes it easier to remember what is open and follow the instructions belonging to each item.

Where to buy authentic skincare in the UAE, Saudi Arabia and Kuwait

According to Cicabelle’s authenticity promise, every product is sourced through authorized distributors, never the grey market. Cicabelle delivers to the UAE, Saudi Arabia and Kuwait, with prices shown in AED in all three countries. Read the authenticity promise for its sourcing statement and verification steps.

Frequently asked questions

What does 12M mean on skincare?

It means twelve months after first opening under the product’s stated conditions. Also follow any printed expiry date and storage instructions.

Does buying a product start its PAO period?

The symbol refers to opening, not purchase. Record the date you first open the container.

Can PAO extend a printed expiry date?

No. Where both are present, stay within both limits rather than using the later date.

Should every serum be refrigerated?

No. Follow the storage instructions for that exact product rather than applying a rule to all serums.

What if I cannot remember when I opened it?

Check any notes, photographs or reminders you kept. If you cannot establish the date, do not invent one; ask for product-specific guidance.

Last updated: October 2026.