Type the batch (lot) code from your Duo Eyelash Adhesive product — skincare, makeup or perfume — and we decode the manufacture date, how old it is, and an expiration estimate.
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The Duo Eyelash Adhesive batch code is a short, usually embossed stamp of letters and numbers — never the barcode. Here’s what it looks like on typical packaging (the code is the short embossed stamp, not the long barcode):
The Duo Eyelash Adhesive batch code — also called the lot code, lot number or serial number — is a short 4–8 character stamp of letters and numbers, usually embossed rather than printed in ink, and it is never the barcode. On a bottle or jar look at the base; on a tube look near the crimp/seal at the end; on a boxed perfume or fragrance check a flap or side of the box; on makeup check the underside of the compact or inside the pan.
Duo Eyelash Adhesive codes encode the production date.
Most unopened cosmetics and fragrances keep for about 30–36 months from manufacture. Once opened, follow the PAO (open-jar) symbol — it usually matters more than any printed expiration date.
We've read 34 Duo Eyelash Adhesive batch codes so far, the newest was made March 2026, and the typical Duo Eyelash Adhesive product people check here is about 29 months old.
Can the batch code tell me if my Duo Eyelash Adhesive is authentic? Not on its own. A code that decodes to a sensible date is a good sign, but counterfeiters copy real codes from genuine packs, so a valid code cannot prove a Duo Eyelash Adhesive product is authentic. Buy from Duo Eyelash Adhesive or an authorised retailer, and compare the packaging, print quality and seal with one you know is genuine.
Yes — like all cosmetics and fragrances, Duo Eyelash Adhesive products have a limited shelf life. Unopened they typically last 30–36 months from the manufacture date, and the batch code above tells you how old yours already is. After opening, the PAO (open-jar) symbol — e.g. "12M" — is a better guide than any printed expiration date.
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