Know what matched
Exact names and a limited set of explicitly listed aliases are matched. Unrecognized is never labeled safe.
Pore Clogging Checker
Check skincare, makeup and haircare ingredients in one place. See historical pore-clogging references, where they come from, and what they don't tell you.
No signupFree ingredient checkSource-linked findings
Check your product's ingredients
Scan a label photo, upload an image, or paste an ingredient list.
Ingredient check complete
Name matching and historical reference information — not a prediction of whether this finished product will clog pores.
0Names matched
0Disputed records
0Unmatched ingredients
A name match only identifies a listed ingredient. Historical raw-ingredient records were produced under specific conditions and do not show how a modern, complete formula — or an individual person’s skin — will respond. A missing rating is not a zero rating or a safety conclusion.
A useful result should explain more than a number.
Check the name, review the cited historical reference, and understand its limits before drawing conclusions about a finished product.
Read the underlying record
See historical 0–5 reference values alongside the original dataset's source and dispute labels.
Understand the uncertainty
A raw ingredient score cannot establish how a complete cosmetic will behave on human skin.
Data, evidence & limitations
We show where our reference data comes from, and we don't fill gaps with made-up safety ratings.
What this checker uses
The checker currently includes 0 third-party historical reference entries and a supplementary name vocabulary. Recognizing a name does not verify that ingredient’s safety. The vocabulary is not guaranteed complete.
The reference scores are reproduced from an openly licensed dataset and have not all been checked against original research papers. A higher historic raw-ingredient score does not mean the finished product will cause acne.
Where the information comes from
Historical reference: PoreClogger open dataset ↗, adapted under CC BY 4.0. Reference names are reformatted for matching; the open source table is linked here.
For regulatory ingredient names, see EU CosIng ↗ (not a pore-clogging score source). See also Draelos & DiNardo (2006) ↗ on limitations of ingredient-based predictions.
Common questions
Does a high historical rating mean my product will cause breakouts?
No. These ratings concern ingredients under specific historical test conditions, not the finished product or your skin. The full formulation and exposure conditions matter.
What does “not matched” mean?
The ingredient was not found in this version of our reference. It does not mean the ingredient is safe, unsafe, or absent from the product.
Can I check sunscreen, foundation and hair products?
Yes. You can paste ingredient lists from skincare, makeup and haircare. The checker analyzes only the names and available historical references; it does not evaluate SPF performance or diagnose skin conditions.