Safety Notes
W/O emulsifier; similar use to PG-3 diisostearate; often used in combination in sunscreen emulsions
Function & Common Use
Function
Emulsifier
Category
Emulsifier
Common In
W/O emulsions sunscreens
Origin
Synthetic
Concentration Limits
India (CDSCO)
No limit
EU Cosmetics Reg.
No limit
Frequently Asked Questions
Is Polyglyceryl-4 Isostearate safe to use in skincare?
Polyglyceryl-4 Isostearate has a Low concern rating from The Clean Sheet. W/O emulsifier; similar use to PG-3 diisostearate; often used in combination in sunscreen emulsions
Is Polyglyceryl-4 Isostearate allowed in India?
Polyglyceryl-4 Isostearate is currently classified as "Permitted" under Indian cosmetics regulations. No concentration limit is specified for India.
What is Polyglyceryl-4 Isostearate used for in cosmetics?
Polyglyceryl-4 Isostearate functions as: Emulsifier. It is commonly found in: W/O emulsions sunscreens.
TCS Assessment
Low Concern
Based on peer-reviewed safety data, regulatory status, and expert review by The Clean Sheet panel.
Regulatory Status
India (CDSCO)
Permitted
EU
Permitted
US FDA
Permitted
Korea (MFDS)
Permitted
Identifiers
CAS91824-88-3
ECN/A
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