If you have acne-prone skin, you have probably Googled "is [ingredient] comedogenic" more times than you can count. I kept doing that too, so I built a small tool that does it in bulk: Pore Clogging Checker - https://porecloggingchecker.app

What it does

Paste a product's full ingredient list (or upload a photo of the label and let OCR handle it), and the tool flags every ingredient on a 0-5 comedogenic scale. Ratings trace back to published dermatology literature - Fulton's 1989 comedogenicity study and related work - and every flag shows its source, so you can judge the evidence yourself instead of trusting a marketing "non-comedogenic" label.

How it's built

The interesting constraint was privacy: ingredient analysis runs entirely client-side, in the browser. Nothing you paste leaves your machine. The matching layer does exact, alias, and localized-name lookups across 9 languages, with a Levenshtein fallback for OCR noise - because ingredient lists on packaging are rarely typo-free.…