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Polyglyceryl-4 Pentaoleate
AKA “Oleic Acid Polyglyceryl Ester, Emollient”
Surfactant
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Ingredient Facts
Polyglyceryl-4 pentaoleate
AKA: Oleic Acid Polyglyceryl Ester, Emollient
Surfactant · Emollient · EWG: 4
Synthetic
Emollient
Cleanser
Emulsifier
Skin Conditioner
Plant Oil
Not Clean
Pentaester of tetraglycerol and oleic acid
CAS #
103230-29-1
See origin →
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Locks In Moisture
Traditional Use
A polyglyceryl ester incorporating five oleic acid chains from olive or other botanical sources. Created to deliver enhanced moisturizing and conditioning benefits in emulsified form.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Adverse Events from Emollient Use in Eczema: A Restricted Review of Published Data.
Bhanot A, Huntley A, Ridd MJ
Dermatology and therapy, 2019
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Measurement of the biomechanical function and structure of ex vivo drying skin using raman spectral analysis and its modulation with emollient mixture
Biniek K, Tfayli A, Vyumvuhore R, Quatela A, Galliano MF et al.
Experimental dermatology, 2018
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Measurement of the biomechanical function and structure of ex vivo drying skin using raman spectral analysis and its modulation with emollient mixture
Biniek K, Tfayli A, Vyumvuhore R, Quatela A, Galliano MF et al.
Experimental dermatology, 2018
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Polyglyceryl-4 Pentaoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
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Emollients are more than sensory ingredients: the case of isostearyl isostearate.
Dederen JC, Chavan B, Rawlings AV
International journal of cosmetic science, 2012
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Restoring Skin Hydration and Barrier Function: Mechanistic Insights Into Basic Emollients for Xerosis Cutis.
Fluhr JW, Muguet V, Christen-Zaech S
International journal of dermatology, 2025
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Efficacy of an emollient containing diethylene glycol/dilinoleic acid copolymer for the treatment of dry skin and pruritus in patients with senile xer
Izumi R, Negi O, Suzuki T, Tominaga M, Kamo A et al.
Journal of cosmetic dermatology, 2017
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Contact dermatitis caused by polyacrylamide/C13-4 isoparaffin/laureth-7 mix in an emollient cream for atopic skin.
Jaulent C, Dereure O, Raison-Peyron N
Contact dermatitis, 2019
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Effect of emollients on UV filter absorbance and sunscreen efficiency.
Sohn M, Amorós-Galicia L, Krus S, Martin K, Herzog B
Journal of photochemistry and photobiology. B, Biology, 2020
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Effect of emollients on UV filter absorbance and sunscreen efficiency.
Sohn M, Amorós-Galicia L, Krus S, Martin K, Herzog B
Journal of photochemistry and photobiology. B, Biology, 2020
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Effect of emollients on UV filter absorbance and sunscreen efficiency.
Sohn M, Amorós-Galicia L, Krus S, Martin K, Herzog B
Journal of photochemistry and photobiology. B, Biology, 2020
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Efficacy of a Rhealba® Oat Extract-based emollient on chr...
J Theunis, H Chaussade, O Bourgeois, V Mengeaud
Journal of the European Academy of Dermatology and Venereology : JEADV, 2017
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Efficacy of a Rhealba® Oat Extract-based emollient on chr...
J Theunis, H Chaussade, O Bourgeois, V Mengeaud
Journal of the European Academy of Dermatology and Venereology : JEADV, 2017
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Efficient Development of Green Emulsifier/Emollient-Based Emulsion Vehicles: From RSM Optimal Experimental Design to Abridged In Vivo Assessment.
Vukašinović M, Savić S, Cekić N, Ilić T, Pantelić I et al.
Pharmaceutics, 2023
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Efficient Development of Green Emulsifier/Emollient-Based Emulsion Vehicles: From RSM Optimal Experimental Design to Abridged In Vivo Assessment.
Vukašinović M, Savić S, Cekić N, Ilić T, Pantelić I et al.
Pharmaceutics, 2023
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Efficient Development of Green Emulsifier/Emollient-Based Emulsion Vehicles: From RSM Optimal Experimental Design to Abridged In Vivo Assessment.
Vukašinović M, Savić S, Cekić N, Ilić T, Pantelić I et al.
Pharmaceutics, 2023
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Efficient Development of Green Emulsifier/Emollient-Based Emulsion Vehicles: From RSM Optimal Experimental Design to Abridged In Vivo Assessment.
Vukašinović M, Savić S, Cekić N, Ilić T, Pantelić I et al.
Pharmaceutics, 2023
→
Efficient Development of Green Emulsifier/Emollient-Based Emulsion Vehicles: From RSM Optimal Experimental Design to Abridged In Vivo Assessment.
Vukašinović M, Savić S, Cekić N, Ilić T, Pantelić I et al.
Pharmaceutics, 2023
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Verified Jun 2026
Data: CosIng · EWG · CIR