Consigli di bellezza

How to read an Estée Lauder batch code: where the 3-character code is printed, whether the same scheme covers the other brands in the group (MAC / Clinique / La Mer), and how to confirm the exact production date and shelf life.

Where is the batch code printed on La Mer products? How to check the production date of your Crème de la Mer or Treatment Lotion? Batch code location, shelf life reference, and common mistakes explained.

Where is the batch code printed on YSL (Yves Saint Laurent) products? How to check production dates for lipsticks, fragrances and foundations? Batch code location, shelf life reference, and common mistakes explained.

Where is the batch code printed on CPB (Clé de Peau Beauté) products? How to check production dates for the famous primer and foundations? Batch code location, shelf life reference, and common mistakes explained.

Where is the batch code printed on Shiseido products? How to check production dates for Ultimune serum and sunscreen? Batch code location, shelf life reference, and common mistakes explained.

A practical guide to finding a cosmetic batch code (bottle stamp, tube crimp, outer box), why every brand's scheme differs and generic rules mislead, and how to confirm the production date and shelf life.

Understand the difference between the unopened shelf life of cosmetics and the period after opening (PAO). Includes a shelf life reference table by product category to help you manage your cosmetics scientifically.

A roundup of batch code formats from 10+ major cosmetics groups including Estée Lauder, Lancôme, L'Oréal, Shiseido, LVMH and Chanel, plus how to confirm the production date of the bottle you are holding.

Barcodes, batch codes, and filing numbers are three different things: a barcode identifies the product, a batch code maps to the production batch, and a filing number is just a regulatory ID. This article explains the differences so you can run the right lookup.

How long can you use cosmetics after opening? What does the PAO symbol mean? How do you extend the shelf life of cosmetics? This article answers every question about the period after opening.

Checking a batch code isn't just about the date. Spot fakes, prevent allergic reactions, verify overseas purchases, and build trust in secondhand trades — this little code matters more than you think. Learn the 5 core reasons.

Toner, lotion, serum, face cream, eye cream, sunscreen, sheet masks... how long does each skincare category last after opening? This article provides a complete skincare shelf life reference chart.

Learn to judge cosmetic authenticity from four angles: batch code, packaging details, product texture, and purchase channel. Includes a directory of official brand verification channels, so you can buy and use with confidence.

Duty-free cosmetics come without a local-language label — how do you find the production date? This article explains batch code reading for duty-free channels such as Sunrise Duty Free, CDF, Korea's Lotte/Shilla, and Japan's DFS.

Can you actually use cosmetics after they expire? This article analyzes the risk level of expired products by category, teaches you how to tell whether a product has gone bad, and covers sensible ways to dispose of expired cosmetics.

How do you avoid pitfalls when buying cosmetics from overseas? Learn to spot fakes, check production dates, and verify authenticity. Batch code lookup for 2,500+ brands including Estée Lauder, Lancôme, and MAC.

Where can you actually look up a cosmetic batch code? We compare 8 channels: third-party decoders like CheckFresh and CheckCosmetic, BeautyChecker, and what regulators such as the US FDA and EU CPNP do (and don't) offer.

What batch codes usually look like across the six biggest beauty groups — L'Oréal, Estée Lauder, LVMH, Shiseido, Amorepacific and P&G — whether brands within a group share one scheme, and how to confirm the exact production date.