About Batch Code Checker

Beauty products carry a manufacturing date that most people never think to look for. The code on the bottom of a bottle, the base of a compact or the flap of a carton tells you when that product was actually made — and whether it is still worth using. Batch Code Checker exists to make that one small check effortless.

Our mission

To give anyone a clear, trustworthy answer about the age of the beauty products they own or are about to buy — without sign-up, without paywalls, and without guesswork.

What we offer

Why batch codes matter

A batch code is the manufacturer's internal reference for a single production run. Read through the brand's own coding scheme, it reveals:

• Manufacturing date: when the product was actually produced
• Production batch: which run it belongs to
• Shelf life: how long the product remains effective
• Authenticity signals: whether the code is plausible for that brand

Supported brands

We support batch code decoding for major beauty brands including Chanel, Dior, L'Oréal, Lancôme, YSL, MAC, Estée Lauder, SK-II, Shiseido, Gucci, La Mer and many more. The database is reviewed regularly so new brands and revised coding systems are picked up as they appear.

Our commitment

Batch Code Checker is completely free. Everyone should be able to check a date on a product they have already bought. Our tool is built to be:

• Accurate: each brand decoded with its own documented method
• Easy to use: no registration, no account, no app
• Fast: results appear as soon as you press the button
• Private: decoding happens in your browser and queries are not stored