How to Check L'Oréal Batch Codes and Expiration Dates
L'Oréal Group is the largest cosmetics conglomerate in the world. Determining when your foundation, hair dye, or skincare cream was bottled is essential for efficacy.
Where to Find the L'Oréal Batch Code
L'Oréal prints or indents batch numbers directly on product packaging:
- Glass Bottles: Look along the lower rim or laser-etched onto the bottom base.
- Tubes: Located on the crimped seam edge on the back of the packaging.
- Cardboard Boxes: Stamped or embossed next to the standard retail barcode.
Understanding the L'Oréal 6-Character Batch Format
A standard L'Oréal batch code contains 6 alphanumeric characters (e.g., 20X301 or 28W102):
- Position 1 & 2: Factory facility code (e.g., "20" represents specific European manufacturing facilities).
- Position 3: Year of production based on a cyclical alphabetical table.
- Position 4: Month of production (1 to 9 for Jan–Sep, O for October, N for November, D for December).
- Position 5 & 6: Lot identifier inside the production plant.
Check Your L'Oréal Code Instantly
Use our free decoder engine to verify your manufacture date and open-jar shelf life.
Open Batch CheckerHow Long Are L'Oréal Products Safe to Use?
Unopened L'Oréal products stored in ambient temperatures remain stable for 36 months (3 years). Once opened, refer to the open jar symbol (6M, 12M, or 24M) located on the label.