Polyglyceryl-10 Polyhydroxystearate

INCI: POLYGLYCERYL-10 POLYHYDROXYSTEARATE

CAS Number
163440-91-3 (based on supplier data; not discretely listed in CIR profile)
Function
Surfactant – emulsifying agent (primary W/O emulsifier); viscosity controlling
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes CIR class-assessed safe (2023 polyglyceryl fatty acid ester family); not FDA-restricted

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

Structurally distinct polyester of poly-12-hydroxystearic acid with polyglycerol. Confirm supplier CAS matches INCI and verify the poly prefix refers to polymeric hydroxystearic acid chain, not just multiple hydroxystearate groups.

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Concern Level: Low

Frequently Asked Questions

Is Polyglyceryl-10 Polyhydroxystearate safe in cosmetics?

Structurally distinct polyester of poly-12-hydroxystearic acid with polyglycerol. Confirm supplier CAS matches INCI and verify the poly prefix refers to polymeric hydroxystearic acid chain, not just multiple hydroxystearate groups. The EU classifies Polyglyceryl-10 Polyhydroxystearate as "permitted". Safety rating: GOOD.

Is Polyglyceryl-10 Polyhydroxystearate allowed in the EU?

Polyglyceryl-10 Polyhydroxystearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Polyglyceryl-10 Polyhydroxystearate do in cosmetics?

Polyglyceryl-10 Polyhydroxystearate functions as: Surfactant – emulsifying agent (primary W/O emulsifier); viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: 163440-91-3 (based on supplier data; not discretely listed in CIR profile).

What is the Margin of Safety for Polyglyceryl-10 Polyhydroxystearate?

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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