Butylene Glycol Sesquiisostearate

INCI: BUTYLENE GLYCOL SESQUIISOSTEARATE

CAS Number
Not publicly assigned in CosIng
Function
Skin conditioning, emollient, surfactant – cleansing, surfactant – emulsifying
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not published. Likely adequate given negligible absorption, but CPSR requires formal calculation.

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

No CAS number complicates regulatory cross-referencing; limited published toxicological data available.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Butylene Glycol Sesquiisostearate safe in cosmetics?

No CAS number complicates regulatory cross-referencing; limited published toxicological data available. The EU classifies Butylene Glycol Sesquiisostearate as "permitted". Safety rating: MODERATE.

Is Butylene Glycol Sesquiisostearate allowed in the EU?

Butylene Glycol Sesquiisostearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Butylene Glycol Sesquiisostearate do in cosmetics?

Butylene Glycol Sesquiisostearate functions as: Skin conditioning, emollient, surfactant – cleansing, surfactant – emulsifying. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned in CosIng.

What is the Margin of Safety for Butylene Glycol Sesquiisostearate?

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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