Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
- beauty
- cleaning
- industrial
- pharma
Calcium hydroxide
CAS 1305-62-0 · 70/100 · High conf.
Binder · Catalyst · Chemical reaction regulator
Concern score
70/100High concern based on regulatory listings.
Well researched
Why it's flagged
Calcium hydroxide is restricted in cosmetic products under Annex III of the EU Cosmetics Regulation (EC) 1223/2009.
RestrictedEU EC — restricted
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
Restrictions first, then routine listings from published regulatory sources.
- commercial_presence
- consumer_product_presence
- cpdat_category:cleaning|industrial
- currently_marketed_ndc
- definition_level:complete
- definition_type:primary
- eu_annex:III
- eu_cosmetic_restricted
- View source →restricted
EUEC
Annex III of EU Cosmetics Regulation (EC) 1223/2009: substances which cosmetic products must not contain except subject to the restrictions laid down. Product types: (a) Hair straighteners containing two components: calcium hydroxide and a guanidine salt (b) pH ajuster for depilatories (c) Other uses (e.g. pH adjuster, processing aid) Maximum concentration: (a) 7% (as calcium hydroxide) Other conditions: (b) pH < 12.7 (c) pH < 11 Conditions of use and warnings: (a) Contains alkali Avoid contact with eyes Keep out of reach of children Can cause blindness (b) Contains alkali Keep out of reach of children Avoid contact with eyes
USFDAinactive ingredient database4 entries — 3 administration routes
USEPAcommercial use observedEPA CPDat observed this chemical in 667 composition records across product categories including Construction and building materials, Furniture and furnishings, Raw materials. EPA CPDat classifies this chemical for functional uses including pH regulating agent, Flame retardant, aggregate.
- EPA CPDat observed this chemical in 667 composition records across product categories including Construction and building materials, Furniture and furnishings, Raw materials. EPA CPDat classifies this chemical for functional uses including pH regulating agent, Flame retardant, aggregate.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 13 active drug products and 13 total products.
- FDA NDC lists this ingredient in 13 active drug products and 13 total products.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 Calcium hydroxide. 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
Where it appears
Prevalence of Calcium hydroxide in our catalog (epa_cpdat).
Products
667
Brands
6
Construction and building materialsFurniture and furnishingsRaw materialsOther indirect contact consumer goodsHome maintenanceConstruction
Typical roles
BinderCatalystChemical reaction regulatorFillerFlame retardantFlocculating agentHardenerAggregate
Found in these products
- céréales et légumes, façon pad thaï, bioCéréal BIO · Plant Based Foods And BeveragesMinor
- BLE 70CL PULCO CITRON VERTPulco · Beverages And Beverages PreparationsMinor
- BLE 70CL DELICES AGRUMES PULCOPulco · Beverages And Beverages PreparationsHigh
- Bulles de fruits Pamplemousse Touche de citronBadoit · Beverages And Beverages PreparationsHigh
- Eau gazeuse au citronBadoit · BeveragesHigh
- Dessert végétal citron vertAlpro · Plant Based Foods And BeveragesHigh
- YakisobaCéréal BIO · MealsLow
- Énergie Chérieinnocent · Plant Based Foods And BeveragesModerate
- Pad Thaï Crevettes (Sauce Soja)Fleury Michon · MealsMinor
- Sprite Goût OriginalSprite · Beverages And Beverages PreparationsHigh
- Excellence Noir Zeste de Citron VertLindt · SnacksHigh
- CRISTALINE Eau de Source au jus de fruits CITRONNADE 1.5LCristaline · Beverages And Beverages PreparationsMinor
- Fuzetea thé vert infuséFuze Tea · Plant Based Foods And BeveragesHigh
- Boisson bio aromatisée au citronVittel · Beverages And Beverages PreparationsModerate
- Buddha bowl saumon fuméSelect & Go · SeafoodMinor
- Orange sanguine, grenade, orange, citron vertInnocent · Beverages And Beverages PreparationsModerate
- Badoit Zest citron vertBadoit · Beverages And Beverages PreparationsModerate
- CRISTALINE Eau de Source au jus de fruits CITRONNADE 50clCristaline · Beverages And Beverages PreparationsHigh
- Thé vert équitable gingembre citron vertJardin bio · Beverages And Beverages PreparationsLow
- As de PinkInnocent · Plant Based Foods And BeveragesModerate
- Soupe Tom Kha KaïPicard · Meats And Their ProductsHigh
- Boisson aux fruits CITRON-CITRON VERTPago · Beverages And Beverages PreparationsHigh
- Tofu gourmet thaïSoy · Plant Based Foods And BeveragesMinor
- Yaourt au lait entier Saveur citronCarrefour BIO, Carrefour · DairiesHigh
