Check production dates and shelf life for over 590 luxury brands. Professional, reliable, and completely private.
Follow the same three-step flow most users complete in under a minute
Look for a short 3-6 character batch code on the bottle base, tube crimp, or outer box.
See visual guidePick your brand so the checker can apply the right decoding pattern and format rules.
Browse brand pagesSee the estimated production date, freshness window, and whether the code format looks valid.
Understand the result输入购买或开封日期，配合包装上的 PAO（开封后使用期限）标志，手动计算产品过期时间。
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Jump directly into brand-specific batch code pages and decoding guidance
Use the checker first, then use these quick guides to understand what the result actually means.
Active ingredients lose strength over time, and some products become unsafe after long storage or repeated exposure to air and fingers.
A quick batch-code check helps you avoid using expired sunscreen, eye makeup, or unstable skincare at the wrong time.
Learn about shelf lifePAO means “Period After Opening.” It tells you how many months a product stays usable after it has been opened, such as 6M, 12M, or 24M.
Even if a product was manufactured recently, the PAO clock starts once you break the seal and begin regular use.
Learn about PAOA barcode identifies the product for retail systems. A batch code identifies when a product batch was manufactured.
If a code scanner only returns a product name, you likely scanned the barcode instead of the short printed batch code.
Find the right codeQuick answers before you jump into brand guides or result details
Check the bottom of bottles, tube ends, or outer packaging. It's usually a 3-6 character alphanumeric code printed, stamped, or embossed.
Our database uses official manufacturer decoding patterns and is regularly updated to ensure the highest accuracy possible for 590+ brands.
Yes, our cosmetic batch code checker is 100% free with no registration required, and we don't store your personal queries.
First confirm you entered the batch code rather than the barcode. If it still fails, use the brand guide or the manual expiry calculator as a fallback.
We currently support over 590 luxury beauty brands worldwide, from Estée Lauder and Dior to niche skincare lines.