Polyglyceryl-4 Trisiloxane

INCI: POLYGLYCERYL-4 TRISILOXANE

CAS Number
Not publicly assigned
Function
Emulsifying agent (silicone-polyglyceryl hybrid emulsifier)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not individually CIR-reviewed; not in the 274 polyglyceryl fatty acid ester group (silicone chemistry)

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Trisiloxane assessed as very persistent and very bioaccumulative; verify D4/D5/D6 cyclomethicone impurity levels must be less than 0.1% each for EU compliance; not covered by CIR polyglyceryl ester group; CPSR requires independent justification; environmental risk assessment may be needed for EU notification

โš ๏ธ
Concern Level: Moderate

Frequently Asked Questions

Is Polyglyceryl-4 Trisiloxane safe in cosmetics?

Trisiloxane assessed as very persistent and very bioaccumulative; verify D4/D5/D6 cyclomethicone impurity levels must be less than 0.1% each for EU compliance; not covered by CIR polyglyceryl ester group; CPSR requires independent justification; environmental risk assessment may be needed for EU notification The EU classifies Polyglyceryl-4 Trisiloxane as "permitted". Safety rating: MODERATE.

Is Polyglyceryl-4 Trisiloxane allowed in the EU?

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

What does Polyglyceryl-4 Trisiloxane do in cosmetics?

Polyglyceryl-4 Trisiloxane functions as: Emulsifying agent (silicone-polyglyceryl hybrid emulsifier). It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned.

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

not established 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.

๐Ÿ“ฑ

Is Polyglyceryl-4 Trisiloxane in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Polyglyceryl-4 Trisiloxane in your formulation.