Food use
Food-use source coverage is present in the current record.
The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.
- beauty
- cleaning
- industrial
- pharma
Dehydroacetic acid
CAS 520-45-6 · 25/100 · High conf.
Preservative · Antioxidant · Biocide
Concern score
25/100Minor concern based on regulatory listings.
Well researched
Why it's flagged
3-Acetyl-6-methylpyran-2,4(3H)-dione and its salts is listed in Annex V of the EU Cosmetics Regulation (EC) 1223/2009 (preservatives allowed in cosmetic products).
The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.
Regulation
No restrictions found. Dehydroacetic acid appears in these published regulatory listings.
- commercial_presence
- consumer_product_presence
- cpdat_category:beauty|cleaning|industrial
- definition_level:complete
- definition_type:primary
- eu_annex:V
- eu_cosmetic_allowed_preservative
- inactive_ingredient_database
EUECallowed_listedAnnex V of EU Cosmetics Regulation (EC) 1223/2009: preservatives allowed in cosmetic products. Maximum concentration: 0.6% (as acid) Other conditions: Not to be used in aerosol dispensers (sprays)
- Annex V of EU Cosmetics Regulation (EC) 1223/2009: preservatives allowed in cosmetic products. Maximum concentration: 0.6% (as acid) Other conditions: Not to be used in aerosol dispensers (sprays)Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 1328 composition records across product categories including Laboratory supplies, Personal care. EPA CPDat classifies this chemical for functional uses including Biocide, Preservative, Fragrance.
- EPA CPDat observed this chemical in 1328 composition records across product categories including Laboratory supplies, Personal care. EPA CPDat classifies this chemical for functional uses including Biocide, Preservative, Fragrance.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 5 drug products and 5 package presentations.
- FDA NDC lists this ingredient in 5 drug products and 5 package presentations.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Evidence
No graded sources yet for Dehydroacetic acid. We publish evidence only once a source is linked and reviewed — this ingredient is in the catalog, but has not been assessed.
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Good fit
Fragrance avoidance
Not a strong fit for fragrance avoidance because it carries Fragrance.
The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.
Where it appears
Prevalence of Dehydroacetic acid in our catalog (epa_cpdat).
Products
1,328
Brands
6
Laboratory suppliesPersonal care
Typical roles
PreservativeAntioxidantBiocideFragrance
Found in these products
- dushyCosmetic ProductsHigh
- Crème pour la peau ClassicCien · BodyMinor
- Lait HydratantHyderma · Non Food ProductsCritical
- Boost curlLes secrets de lolyMinor
- Gel 98% d'Aloe veraPur Aloé · BodyMinor
- mavi beyazTUGSAN SARL · AccessoriesMinor
- Crème jour et nuitAvrilMinor
- Pure Activel-oreal, l-oreal-consumer-products, garnier · Non Food ProductsCritical
- Shampoo fior di magnoliaamo essere eco · Open Beauty FactsMinor
- Masque ApaisantEVOLUDERM · Soin VisageHigh
- LAIT CORPORELAvril · BodyMinor
- Crème solaire Lait Corps Spf 50Parasol · Non Food ProductsMinor
- Glacier + granite men's body washMethodMinor
- Crème changeBiolane,Biopha,Laboratoires Biopha · BebeLow
- Men Expert Shower Total Clean 5i1 300ml LorealLoreal norge as / slt · Non Food ProductsHigh
- L'Oréal Paris Lash Paradise Waterproof Zwarte Volume MascaraL'OREAL NORGE AS · MakeupCritical
- Maybelline New York Lash Sensational Intense Black Extra Volume MascaraL'OREAL NORGE AS · MakeupCritical
- Original Face WashBulldog · Non Food ProductsMinor
- Organic Moroccan Argan Oil Shampoodr.Organic · HairHigh
- Bull Dog Hautpflege Original After Shave Balsam + Aloe VeraBulldog,Wilkinson Sword · ShavingMinor
- Water Resistant Sun Spray, SPF30Änglamark · SuncareLow
- Lingettes intimesBocoton BioMinor
- Maybelline Mascara Falsies Lash Lift Extra BlackL'OREAL NORGE AS · Non Food ProductsCritical
- Max Factor Masterpiece Nude 001 Cappucino Nudes Oogschaduwpaletmax factor · MakeupHigh
Often appears with
Ingredients that frequently appear alongside Dehydroacetic acid in the catalog.