Is Ceteareth-9 safe in cosmetics?
Ceteareth-9 has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Ceteareth-9
INCI: CETEARETH-9
Ceteareth-9 (CAS 68439-49-6 (generic Ceteareth series CAS)) is a cosmetic cosmetic ingredient functioning as Emulsifying; Surfactant – Cleansing. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 68439-49-6 (generic Ceteareth series CAS) →
Auto-generated CPSR Part A draft with source citations
Function
Emulsifying; Surfactant – Cleansing
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
CIR assessed safe as used
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Ceteareth-9.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Ceteareth-9.
Frequently Asked Questions
Is Ceteareth-9 allowed in the EU?
Ceteareth-9 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Ceteareth-9 do in cosmetics?
Ceteareth-9 functions as: Emulsifying; Surfactant – Cleansing. It is classified as a cosmetic ingredient in our database. CAS number: 68439-49-6 (generic Ceteareth series CAS).
Compliance Tools
Check Ceteareth-9 compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
Related Ingredients
Alpha-Glucan Oligosaccharide-1
Excellent
Same category
Skin conditioning, cleansing, smoothi...
Ammonium Acryloyl Dimethyltaurate/Carboxyethyl Acrylate Crosspolymer
Excellent
Same category
Dispersing agent (nonsurfactant), vis...
Ammonium Cocoyl Isethionate
Excellent
Same category
Surfactant – cleansing, foaming
Ammonium Lauryl Sulfosuccinate
Excellent
Same category
Cleansing, foaming, surfactant
Ammonium Stearate
Excellent
Same category
Cleansing, surfactant, emulsifying
Apricot Kernel Oil Polyglyceryl-10 Esters
Excellent
Same category
Skin conditioning, emollient, surfact...
(20S)-Protopanaxadiol
Moderate
Similar safety
(Cnidium Officinale/Coptis Chinensis/Glycyrrhiza Uralensis) Root Extract
Moderate
Similar safety
Skin conditioning
(Cryptomeria Japonica/Chamaecyparis Obtusa) Stem Ferment Extract
Moderate
Similar safety
Antimicrobial, antioxidant, humectant
(Eclipta Prostrata/Houttuynia Cordata) Leaf Extract
Moderate
Similar safety
Skin conditioning
(Lepidium Meyenii/Sarcodon Aspratus) Root Water
Moderate
Similar safety
Skin conditioning
(Licorice/Reynoutria Japonica) Root/Stem Extract
Moderate
Similar safety
Skin conditioning, antioxidant
C12-14 Pareth-11
Good
Chemical family
Surfactant – Emulsifying; Surfactant ...
C12-14 Pareth-12
Good
Chemical family
Surfactant – Emulsifying; Surfactant ...
C12-14 Pareth-3
Moderate
Chemical family
Surfactant – Emulsifying; Surfactant ...
Is Ceteareth-9 in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Ceteareth-9 in your formulation.