Redken Batch Code Checker
L'Oréal Professionnel
Redken Batch Code Format
Codes handled here follow the Redken format: L’Oréal-style code: 5-6 digit numeric, 2-letter + day-of-year, or longer alphanumeric code where the 3rd character is the year and 4th character is the month. The decoder checks the structure before it reads a date, so a mistyped code returns an error rather than a wrong answer.
Format: L’Oréal-style code: 5-6 digit numeric, 2-letter + day-of-year, or longer alphanumeric code where the 3rd character is the year and 4th character is the month
Examples: 54U400, AU1234, 11234
Shelf Life: Usually about 36 months from manufacturing date.
Decode
Turn a Redken batch code into a manufacturing date.
Verify
Spot codes that do not match the Redken format.
Plan ahead
Use the Redken shelf life to know how long a product lasts.
About Redken Batch Codes
There is a reason Redken codes are worth decoding. Prestige formulas — L'Oréal Professionnel included — degrade in ways that are invisible until the texture, scent or colour changes. The batch code is the only way to check before that happens.
The result is an estimate, and it is best treated as one. Redken has changed its coding scheme over the years, so older stock may predate the current system and decode to a different window than a modern code.
If the packaging also carries a printed expiry date, trust the packaging. The batch code tells you when the product was made; the printed date tells you when it should be used up.
Finding the Batch Code on Redken Packaging
On Redken products the batch code sits close to the base, the seal, or the barcode. Work through these areas:
Work down this list and you will find it:
- Fragrance: on the base of the bottle, and frequently repeated on the outer box
- Packaging: on the base or underside of the container
- Carton: on the bottom panel, or next to the barcode
- Label: printed near the LOT or production code on the back label
Under bright light the code is easier to read than it looks at arm's length. A phone flashlight and a macro photo will resolve characters that are invisible in a dim room.
Most Looked-Up Redken Ranges
Common Redken items whose codes people want decoded include:
- Product lines: All Soft
- Product lines: Acidic Bonding Concentrate
- Colour cosmetics: Color Extend Magnetics
- Hair care: One United and Frizz Dismiss
Gift sets are the exception worth watching: the outer box and each item inside can carry different codes, and the oldest one in the set sets the limit for how long to keep it.
Practical Advice for Redken Codes
Check the bottom of the container before anything else. The batch code is more often there than on the carton, and it is the code that governs the contents.
Read the code before you open the product. Once the seal is broken the print can wear off, and a photograph is worth more than a guess later.
Redken Batch Code FAQ
How do I read a Redken batch code?
What format does a Redken batch code use?
Where can I find the Redken batch code?
Does a batch code prove a Redken product is genuine?
How accurate is the Redken batch code result?
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