PEG-5 Glyceryl Stearate

INCI: PEG-5 GLYCERYL STEARATE

CAS Number
51158-08-8 (also referenced as 32518-68-6)
Function
Surfactant — emulsifying agent; skin conditioning — emollient
Safety Rating
EXCELLENT

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Covered under CIR PEGylated alkyl glycerides group — safe when formulated to be nonirritating. PEG Stearates also reviewed separately by CIR as safe

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

1,4-Dioxane/EO residue monitoring required. Most data-rich of this group with no significant safety concerns at cosmetic use levels.

⚠️
Concern Level: None

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is PEG-5 Glyceryl Stearate safe in cosmetics?

1,4-Dioxane/EO residue monitoring required. Most data-rich of this group with no significant safety concerns at cosmetic use levels. The EU classifies PEG-5 Glyceryl Stearate as "permitted". Safety rating: EXCELLENT.

Is PEG-5 Glyceryl Stearate allowed in the EU?

PEG-5 Glyceryl Stearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does PEG-5 Glyceryl Stearate do in cosmetics?

PEG-5 Glyceryl Stearate functions as: Surfactant — emulsifying agent; skin conditioning — emollient. It is classified as a cosmetic ingredient in our database. CAS number: 51158-08-8 (also referenced as 32518-68-6).

What is the Margin of Safety for PEG-5 Glyceryl Stearate?

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.

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