Polyoxyethylene Cetyl Ether

INCI: CETETH-20

CAS Number
9004-95-9
Function
Emulsifying, Surfactant, Cleansing
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR Expert Panel concluded ceteth series safe as used; potential 1,4-dioxane impurity risk managed by purification

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Safe as used in rinse-off and leave-on formulations when manufactured to purity standards

โš ๏ธ
Concern Level: Low

Regulatory Flags

ethoxylated peg-derived 1,4-dioxane-impurity-risk epa_safer_alternative

Frequently Asked Questions

Is Polyoxyethylene Cetyl Ether safe in cosmetics?

Safe as used in rinse-off and leave-on formulations when manufactured to purity standards The EU classifies Polyoxyethylene Cetyl Ether as "permitted". Safety rating: GOOD.

Is Polyoxyethylene Cetyl Ether allowed in the EU?

Polyoxyethylene Cetyl Ether EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Polyoxyethylene Cetyl Ether do in cosmetics?

Polyoxyethylene Cetyl Ether functions as: Emulsifying, Surfactant, Cleansing. It is classified as a cosmetic ingredient in our database. CAS number: 9004-95-9.

What is the Margin of Safety for Polyoxyethylene Cetyl Ether?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

๐Ÿ“ฑ

Is Polyoxyethylene Cetyl Ether in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Polyoxyethylene Cetyl Ether in your formulation.