Good Cosmetic Ingredient

Lauryl Isopentyl-PEG/PPG-18/18 Methicone

INCI: LAURYL ISOPENTYL-PEG/PPG-18/18 METHICONE

CAS Number
Not assigned (polymeric; COSING ref: 57048)
Function
Surfactant — emulsifying (W/Si emulsifier)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — CIR reviewed polyoxyalkylene siloxane copolymers (parent group); safe as used

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

PEG-containing: check 1,4-Dioxane residuals (recommend ≤10 ppm per SCCS guidance). Ensure ethylene oxide/propylene oxide residues meet limits.

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Concern Level: Low

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is Lauryl Isopentyl-PEG/PPG-18/18 Methicone safe in cosmetics?

PEG-containing: check 1,4-Dioxane residuals (recommend ≤10 ppm per SCCS guidance). Ensure ethylene oxide/propylene oxide residues meet limits. The EU classifies Lauryl Isopentyl-PEG/PPG-18/18 Methicone as "permitted". Safety rating: GOOD.

Is Lauryl Isopentyl-PEG/PPG-18/18 Methicone allowed in the EU?

Lauryl Isopentyl-PEG/PPG-18/18 Methicone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Lauryl Isopentyl-PEG/PPG-18/18 Methicone do in cosmetics?

Lauryl Isopentyl-PEG/PPG-18/18 Methicone functions as: Surfactant — emulsifying (W/Si emulsifier). It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (polymeric; COSING ref: 57048).

What is the Margin of Safety for Lauryl Isopentyl-PEG/PPG-18/18 Methicone?

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 Lauryl Isopentyl-PEG/PPG-18/18 Methicone compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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