What the batch code can tell you
For Givenchy, the batch code can support a freshness check and help you compare whether a seller's stock looks unusually old.
It can also help identify obvious mistakes, such as a claimed new release with a very old production window.
What it cannot prove
A batch code cannot verify the full supply chain, storage conditions, tamper history, or whether a seller is authorized.
A counterfeit product may carry a copied code, and a genuine product may still be unsuitable if it was badly stored or opened.
A better buying-risk workflow
Use the Givenchy checker first, then compare packaging print quality, seller history, price realism, return policy, and whether the code appears consistently on box and product.
If the product may be unsafe, stop using it and contact the brand or retailer with clear photos of the code and packaging.
Givenchy product and package comparison notes
Givenchy sells 100 ml refillable L'Interdit and Irresistible bottles with separate 150 ml refills, while Gentleman Society also has a refill system. Le Soin Noir and Skin Ressource creams and selected Le Rouge lipsticks use replaceable inner components; the refill can therefore have a different production date from the permanent outer package.
Record the code on a Givenchy refill before installing it, and retain the bottle or compact plus the refill carton until the two markings and product references have been compared.