There's no real website that has a majority of brands. I've contacted the company before via email with lot numbers before and they always get back to me, and usually pretty quickly. Answer from privatepirate66 on reddit.com
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Checkexp
checkexp.com
Check Cosmetic Expiry Date Tool – Batch Code checker – Cosmetic calculator – Check Batch Code of Cosmetics
Check Cosmetic Expiry Date Tool by Batch Code. It's a batch code checker - a cosmetic calculator
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CheckCosmetic
checkcosmetic.net
Check cosmetics or perfume production date and shelf life by the batch code.
Check your cosmetics against Cosmetic Calculator and identify the production and expiration date of your beauty product by the batch code.
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Checkfresh
checkfresh.com
Check the date of manufacture of perfumes and cosmetics - CheckFresh.com
Read the manufacturing date of your cosmetics from the batch code. Find out whether your cosmetics and perfumes are fresh and usable!
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Reddit
reddit.com › r/asianbeauty › [guide] how to quickly check japanese beauty products expiration date, manufacturing date, batch code
r/AsianBeauty on Reddit: [Guide] How to quickly check Japanese beauty products expiration date, manufacturing date, batch code
July 26, 2023 -

I found a website that decrypts bath code into manufacturing date for you. No sign-up or nagging.

I find no mention of this website in either r/AsianBeauty or r/SkincareAddiction so here it goes:

🌐Website: https://checkexp.com/

It currently supports 1200+ brands. Why is that matter? Because each japanese company seems to use their own date system for some reason.

🤔How to use:

  1. Select or type in a brand/label.

  2. Enter a batch code. Usually located at the bottom of the product. Its length could be 3-8 characters (or more I'm not sure). Could be number only, letter only, or number mixed with letter. For example: B0003389 (Nivea), 1I2 (Hada Labo). 311C (Hatomugi Kumano).

  3. Hit CHECK. That's it.

📆Expiration date: Now knowing the manufacturing date, you can determine whether the product has expired. Generally, cosmetics products come with a shelf life of 36 months under normal storage condition.

📆Period After Opening (PAO): Some product has a PAO symbol indicating the recommended duration for which the product remains safe to use after it has been opened and exposed to air. PAO is represented by an open cream jar icon followed by a number and the letter "M" which stands for months (picture). For example, "12M" means that the product is safe to use for twelve months after you have opened it.

⚠️Caution: Expiration date and PAO don't mean everything. There are other signs that a product might have expired or gone bad before its official expiration date. Always be aware of any unusual changes in texture, smell, and color while using the product.

🚨Notice: If you can't find the brand you're looking for. You can submit picture and infos of your product at the bottom of the website. They'll find it for you and you will also help everyone else by doing so.

❗ This website also works for Korean products and more. It's a global archive.

For more indepth explanation about how to find the batch code, shelf life, and PAO. Please read under the Check Tool on the website.

Top answer
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Personal rant: What are those manufacturers smoking? In my example above, 1I2 converts to 2021-September-02. So it's formatted YMD, and the letter's order in the alphabet correlates to the month. Okay, a little weird but I can get the hang of it. But then I look at a Nivea product, B0003389. What could this possibly mean? 30 mins of searching later. It's Julian calendar day? Why? But wait, it's not even standard Julian format. The right format is YYDDD, and they use DDDY, the year at the end only has 1 digit. So B0003389 means the 338th day of 2019. Just WHY? Gimme YYMMDD!!! I waste 30 mins to 1 hour of my life every time I have to look up a japanese product batch code's meaning. Hope this can save people's time.
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Thanks for this. So mad just found out the tsubaki hair mask I ordered on Amazon is 10 years old 😀
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Reddit
reddit.com › r/marshallsfinds › expiration dates?
r/marshallsfinds on Reddit: Expiration dates?
August 18, 2020 -

Hey guys. Does anyone know of an accurate source from which to check expiration dates on cosmetics? The few I’ve didn’t have the brands I was checking. Becca was one in particular... Isn’t there something where you just scan the barcode?

Top answer
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There's no real website that has a majority of brands. I've contacted the company before via email with lot numbers before and they always get back to me, and usually pretty quickly.
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I tried with Lancome and they gave me bullshit answer. Basically that they use those numbers for internal purposes, so when I asked point blank they never responded.
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Beepscan
beepscan.com › en
BEEP - Expiry Date Barcode Scanner
Scan any product with a barcode! Start managing your expiry dates.
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Cosmeticswizard
cosmeticswizard.net
Cosmetics Wizard
Cosmetics Wizard helps you calculate your cosmetics' production date or expiration date from the batch code found on the product package.
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Protocol Lab
protocol-lab.com › blogs › skincare-routine › how-to-check-skincare-expiration-dates
How to Check Skincare Expiration Dates – Protocol Skincare
March 13, 2024 - Be aware that the batch code differs from the barcode. It’s not possible to check expiry dates using barcodes of cosmetics, since barcode numbers are typically static and do not vary based on the manufacturing date.
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CheckFresh
checkfresh.com › simple.html
Simple batch code decoder, check cosmetics production date - CheckFresh.com
Simple batch code decoder. Check the production date of Simple cosmetics. Read the date from the batch code on the package.
Find elsewhere
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Cosmeticchecker
cosmeticchecker.app
Cosmetic Checker App
Cosmetic Checker is an easy-to-use ... helps to check the manufactured date, general shelf life as well as calculating the approximate age of your beauty products including makeup, skincare, and perfume by their batch code. Save your valuable time with the smart cosmetic brand search feature ...
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Cosmetic calculator
lotexp.com
Cosmetic Calculator - Batch Code Checker Online
The Cosmetic Calculator decodes batch codes to find the manufactured date. It helps check if cosmetics and perfumes have a long shelf life.
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Cosmetic
cosmetic.directory › products › check-exp
Cosmetic Directory - Discover the features, FAQs, and alternatives of Check Exp
To use CheckExp.com, enter the batch code or lot number found on your product's packaging into the search bar on the website. The tool will decode the batch code and provide information on the expiration date and shelf life of the product.
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NANA MALL
nanamall.com › home › cosmetic batch code checker & expiry date calculator
Check Cosmetic Expiry Date | Batch Code Decoder (Instant) – NANA MALL
Select the brand name from the calculator above (e.g., Shiseido, Aesop, Sisley, Caudalie), enter the code, and click "Check Now" to see the manufacturing date. Japanese law requires expiration dates only for products stable for less than 3 years.
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Online Tool Center
onlinetoolcenter.com › blog › How-to-Check-Expiration-Date-Using-Barcodes.html
How to Check Expiration Date Using Barcodes?
Industry: Cosmetics, specialty foods. Benefit: Easy for consumers to check expiration dates via smartphones. ... The EAN-13 barcode, commonly found on retail products, can include printed expiration dates beside the barcode for quick consumer reference.
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Sigma-Aldrich
sigmaaldrich.com › search › check expiry date from barcode cosmetics
Check expiry date from barcode cosmetics | Sigma-Aldrich
Find check expiry date from barcode cosmetics and related products for scientific research at MilliporeSigma
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Scancosmetics
scancosmetics.com › en
Check Cosmetics | Check Cosmetics, Genuine or Fake, Check Expiration Date. Check the product number
Check Cosmetics Checker from Batch Code. Check the expiration date and the remaining date that the product is genuine. or counterfeit goods.
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Google Play
play.google.com › store › apps › details
Cosmetic Checker - Apps on Google Play
Check cosmetics, makeup and perfume manufacture date with their batch code
Rating: 3.3 ​ - ​ 272 votes
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Facebook
facebook.com › groups › 457584169612467 › posts › 1169554878415389
What site checks cosmetic batch codes?
We cannot provide a description for this page right now
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Cosmetic Check
cosmeticcheck.app
Cosmetic Batch Code Decoder - Check Fresh & Production Dates of Cosmetic & Perfume
Check the freshness of your makeup and fragrances with our enhanced 2024 batch code decoder. Easily calculate production and expiration dates using the batch number to ensure your cosmetics and perfumes stay fresh and safe.
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Cosmeticcalculator
cosmeticcalculator.com
Cosmetic Expiry Checker -
Once you find the code, use an online batch code checker. Type the code and select the brand name. The tool shows you the manufacturing date. From there you can calculate when the product expires based on its typical shelf life. Different beauty products last for different amounts of time.