AT A GLANCE
Look for LOT, Batch, EXP, or Expiry markings on the bottle and carton. Send photos if a code is unclear.
Check the printed or stamped markings on your bottle and any outer carton. Look for LOT or Batch for the production identifier, and EXP or Expiry for the date. Check the label, base, and cap area rather than assuming every package uses the same position.
The order number on your receipt and the barcode on the label are different identifiers. Keep them available, but use the lot number when asking about a particular batch.
If you cannot find or read the marking, send support clear photos of the front, back, base, cap, and carton. Include the product name and order number if you have it.
Do not guess an expiry date from an unfamiliar code or from the day you bought the product. Keep the original packaging until the code is identified.
For a bottle that arrived with an unreadable or expired date, see expiry-date guidance before opening it.
REFERENCES
References & further reading
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