Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Ethoxylated: 1,4-dioxane and ethylene oxide residual monitoring mandatory for COSMOS/ECOCERT compliance
Frequently Asked Questions
Is Undeceth-9 safe in cosmetics?
Ethoxylated: 1,4-dioxane and ethylene oxide residual monitoring mandatory for COSMOS/ECOCERT compliance The EU classifies Undeceth-9 as "permitted". Safety rating: GOOD.
Is Undeceth-9 allowed in the EU?
Undeceth-9 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Undeceth-9 do in cosmetics?
Undeceth-9 functions as: Surfactant (cleansing, emulsifying), skin conditioning, emollient. It is classified as a cosmetic ingredient in our database. CAS number: 34398-01-1 (undeceth PEG ether series; n≈9).
What is the Margin of Safety for Undeceth-9?
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.
Compliance Tools
Check Undeceth-9 compliance across multiple jurisdictions:
Related Ingredients
Is Undeceth-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 Undeceth-9 in your formulation.