Scan a barcode to see which ingredients are on our list of chemicals of concern.
Ingredient label
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Front photo (optional)
📢 Your photo will be public: anyone who scans this barcode can see it, and it is shared as part of the community database. Photograph only the front of the product, not people, faces, documents or anything personal. Location and camera data (EXIF/GPS) are removed on your phone before upload.
When you tap Check, the barcode , the name/brand above and the ingredient text are sent to the Let Me Scan That community database and shown publicly to anyone who scans this barcode. Nothing personal is sent: no account, location or scan history (history stays on this phone), and the label photo used for OCR stays on this phone. A Cloudflare Turnstile check runs to block spam.
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About
© 2026 Gustavo Cadena. All rights reserved. This covers the app's code and design. Product data and photos are from the sources below under their own licences.
Ingredient and product text in the bulk reference comes from the sources below. Community products that people submit in this app are a separate store. They are not part of these databases. Photos that people add in this app are shared publicly as part of the community database.
How is this scored?
The 0–100 score comes only from the ingredients we flag. Every product starts at 100. Each flagged ingredient takes points off by its concern level: High −65, Medium −25, Low −5, Heads-up (info) 0. The score never goes below 0. Because one High-concern ingredient alone takes off 65 points, any product with a High flag scores 35 or less.
Verdicts: 85–100 Excellent, 65–84 Good, 40–64 Fair, 0–39 Poor. FYI notes (such as fragrance allergens) and heads-up items never lower the score. The score is a simple summary of our flags, not a safety rating, and it does not look at nutrition, dose or how the product is used.
Open Food Facts, Open Beauty Facts, and Open Products Facts
Data from Open Food Facts (https://world.openfoodfacts.org), Open Beauty Facts (https://world.openbeautyfacts.org), and Open Products Facts (https://world.openproductsfacts.org), made available under the Open Database License v1.0 (https://opendatacommons.org/licenses/odbl/1-0/). Individual contents of each database are available under the Database Contents License (https://opendatacommons.org/licenses/dbcl/1-0/). Product images come from the Open Facts projects under CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/), with attribution to the project and its contributors.
Ingredient name aliases (Open Beauty Facts ingredients taxonomy)
To recognise other spellings and other-language names of the ingredients we check (for example “Sodium Lauryl Ether Sulphate” or “Coumarine”), the app uses a small alias table (aliases.json) derived from the Open Beauty Facts ingredients taxonomy (taxonomies/beauty/ingredients-cosing-obf.txt, https://world.openbeautyfacts.org), plus a few everyday spellings we added ourselves. It contains information from Open Beauty Facts, made available under the Open Database License v1.0 (https://opendatacommons.org/licenses/odbl/1-0/); the alias table is a derivative database and is shared under the same license.
USDA FoodData Central
U.S. Department of Agriculture, Agricultural Research Service. FoodData Central, Branded Foods, release 2026-04-30. https://fdc.nal.usda.gov/. CC0 1.0.
Suggested citation: U.S. Department of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center. FoodData Central. [Internet]. [cited 2026-10-07]. Available from https://fdc.nal.usda.gov/.
NIH Dietary Supplement Label Database
NIH Office of Dietary Supplements Dietary Supplement Label Database. https://dsld.od.nih.gov/. Public domain.
Citation the NIH Office of Dietary Supplements publishes for use when citing the DSLD: US Department of Health and Human Services, National Institutes of Health, Office of Dietary Supplements. Dietary Supplement Label Database (DSLD). [Internet]. [cited 2026-10-07]. Available from: https://dsld.od.nih.gov/dsld/.
The DSLD API guide also gives this developer credit line: National Institutes of Health, Office of Dietary Supplements. Dietary Supplement Label Database, 2026. https://dsld.od.nih.gov/. That guide states that DSLD data are in the public domain, are not copyrighted, and are published under CC0 1.0 Universal (https://creativecommons.org/publicdomain/zero/1.0/).
Share-alike
The bulk database is a derived database. It contains Open Database License data from Open Food Facts, Open Beauty Facts, and Open Products Facts, together with USDA CC0 rows and NIH public-domain rows. If that database, or a substantial extract of it, is publicly shared, it has to be offered under the Open Database License v1.0 with attribution to those Open Facts projects. A per-product lookup from the API is a Produced Work: it needs attribution (the source, the Open Database License, and a link) and is not itself a database that has to be relicensed. The community store is separate. It holds labels people submitted here. It is not part of the Open Facts databases and this share-alike note does not apply to it.