Glossary
INCI ingredient nomenclature
INCI ingredient nomenclature is the standardized naming convention printed on cosmetic labels, acting as the join key across this industry's datasets: COSDNA parses INCI rows per product, EU CosIng serves as the reference nomenclature, INCIDecoder decodes lists into plain-language pages, and Open Beauty Facts stores each product's INCI list.
What is INCI ingredient nomenclature?
INCI - the International Nomenclature of Cosmetic Ingredients - assigns one canonical name per ingredient, so 'aqua' rather than 'water' appears first on labels worldwide. That discipline is what makes cosmetics data joinable. COSDNA builds its ingredient-analysis product out of 'parsed INCI lists', with products and ingredients 'joined by parsed INCI rows within each product'. The EU's CosIng database is 'used worldwide as the reference INCI nomenclature', searchable 'with INCI, CAS/EC, annex, function and SCCS fields'. INCIDecoder and INKEEDecoder sit on top, 'decoding cosmetic product INCI lists into plain-language ingredient pages', while Open Beauty Facts carries 'INCI ingredients' among per-product fields under an 'inci' tag.
The hierarchy matters: CosIng anchors authority, CAS/EC numbers give chemistry-level identity, and parsed INCI order preserves concentration sequence.
Why does INCI ingredient nomenclature matter when choosing a dataset?
Ingredient analytics fail at normalization. Marketing names, trade names and translations fragment one chemical into many strings; without INCI resolution, 'formulation contains X' queries return partial answers, and trend analysis undercounts exactly the trendy ingredients whose naming varies most.
Concentration adds a second trap: labels list ingredients in descending-order sequence, not percentages, so rank position is ordinal evidence only. Regulatory status also moves - annex restrictions change, so a formulation scored against a stale CosIng extract can pass a check that today's rules would fail. Cross-border work needs the CAS/EC bridge, because INCI names are standardized but regional inventories and restrictions are not.
How do you evaluate INCI ingredient nomenclature in a data source?
- Resolve every ingredient to CosIng. Treat EU CosIng - 'the reference INCI nomenclature' - as the authority, and keep its CAS/EC fields as the chemistry-level backup.
- Preserve parse order. COSDNA's 'parsed INCI rows' retain label sequence; store rank, because it encodes relative concentration.
- Normalize before benchmarking. Map marketing synonyms to INCI names prior to any share or trend calculation, or comparisons skew.
- Version your regulatory extract. Annex and SCCS opinions evolve; timestamp the CosIng snapshot behind compliance verdicts.
- Spot-check decoder outputs. INCIDecoder-style plain-language pages are conveniences - validate claims against structured INCI rows keyed to sku barcode records.
Related terms
Adjacent concept worth reading next: sku-barcode-record; also see cas/ec numbering and ingredient function tags.
Sector hub: personal-care-products data.
Frequently asked questions
What is INCI nomenclature?
The standardized ingredient-naming convention printed on cosmetic labels worldwide. EU CosIng maintains it as the reference nomenclature, searchable with INCI, CAS/EC, annex, function and SCCS fields, and cataloged sources such as COSDNA key parsed INCI lists to it per product.
Why is INCI important for cosmetics datasets?
It is the shared key that makes products and ingredients joinable: COSDNA links them through parsed INCI rows within each product, CosIng is the reference nomenclature, and Open Beauty Facts stores each product's INCI list.
Datasets containing this field
Datasets containing INCI ingredient nomenclature
6 datasets carry inci ingredient nomenclature in the catalog. Open one, count the fields, judge for yourself.
COSDNA — Cosmetics Ingredient Analysis Database
EU CosIng — European Commission Cosmetic Ingredients Database
SCCS opinions · OJ publication flags …+9 more
INCIDecoder / INKEEDecoder — Ingredient Encyclopedia and Product INCI Database
ingredient_name · also_called · what_it_does …+5 more
Open Beauty Facts — Global Cosmetics Product Database (Exports + Live API)
Sephora — Structured Product Catalog (Scrapeable)
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