What the batch code can tell you
For Suqqu, 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 Suqqu 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.
Suqqu product and package comparison notes
Moisture Glaze and Velvet Fit lipstick refills are sold separately from cases; Smooth Eyebrow Pencil and Lip Defining Pencil have replacement cores and holders; Glow Cream and Glow Powder Foundation use refills and separate compacts. Brushes, sponges, curlers, cases, and holders contain no cosmetic formula and should not be dated as though they were the refill inside.
Photograph the SUQQU refill wrapper before installing it, and record the full product, shade, and refill date rather than carrying forward the age of the case or holder.