Glycerin/Oxybutylene Copolymer Stearyl Ether

INCI: GLYCERIN/OXYBUTYLENE COPOLYMER STEARYL ETHER

CAS Number
Not assigned (polymer)
Function
Skin conditioning — emollient
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — no CFR restriction

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Residual butylene oxide monomer is a concern (classified CMR Cat. 1B); supplier must provide residual monomer specification ≤1 ppm; otherwise low-risk polymer

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Concern Level: Moderate

Frequently Asked Questions

Is Glycerin/Oxybutylene Copolymer Stearyl Ether safe in cosmetics?

Residual butylene oxide monomer is a concern (classified CMR Cat. 1B); supplier must provide residual monomer specification ≤1 ppm; otherwise low-risk polymer The EU classifies Glycerin/Oxybutylene Copolymer Stearyl Ether as "permitted". Safety rating: GOOD.

Is Glycerin/Oxybutylene Copolymer Stearyl Ether allowed in the EU?

Glycerin/Oxybutylene Copolymer Stearyl Ether EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Glycerin/Oxybutylene Copolymer Stearyl Ether do in cosmetics?

Glycerin/Oxybutylene Copolymer Stearyl Ether functions as: Skin conditioning — emollient. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (polymer).

What is the Margin of Safety for Glycerin/Oxybutylene Copolymer Stearyl Ether?

not established 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.

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