Polyglyceryl-4 Caprylate

INCI: POLYGLYCERYL-4 CAPRYLATE

CAS Number
Not individually assigned (monoester of caprylic acid and polyglycerin-4)
Function
Skin-conditioning agent – emollient; surfactant – emulsifying agent
Safety Rating
EXCELLENT

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes CIR-assessed 2023 — safe up to 1.5% in leave-on and rinse-off products

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

CIR Panel advises caution when formulating with ingredients whose safety depends on their lack of dermal absorption. pH stability range: 3–7 per supplier data.

⚠️
Concern Level: None

Frequently Asked Questions

Is Polyglyceryl-4 Caprylate safe in cosmetics?

CIR Panel advises caution when formulating with ingredients whose safety depends on their lack of dermal absorption. pH stability range: 3–7 per supplier data. The EU classifies Polyglyceryl-4 Caprylate as "permitted". Safety rating: EXCELLENT.

Is Polyglyceryl-4 Caprylate allowed in the EU?

Polyglyceryl-4 Caprylate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Polyglyceryl-4 Caprylate do in cosmetics?

Polyglyceryl-4 Caprylate functions as: Skin-conditioning agent – emollient; surfactant – emulsifying agent. It is classified as a cosmetic ingredient in our database. CAS number: Not individually assigned (monoester of caprylic acid and polyglycerin-4).

What is the Margin of Safety for Polyglyceryl-4 Caprylate?

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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