Tetramethyl Hexaphenyl Tetrasiloxane

INCI: TETRAMETHYL HEXAPHENYL TETRASILOXANE

CAS Number
17082-47-2
Function
Emollient, skin conditioning agent — silicone-based
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status restricted
US Notes Not specifically restricted; permitted for cosmetic use

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Part of the siloxane family under broader EU environmental scrutiny (D4/D5/D6 cyclic siloxanes are restricted, but this linear phenyl siloxane is not currently targeted); limited standalone safety data

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Concern Level: Low

Frequently Asked Questions

Is Tetramethyl Hexaphenyl Tetrasiloxane safe in cosmetics?

Part of the siloxane family under broader EU environmental scrutiny (D4/D5/D6 cyclic siloxanes are restricted, but this linear phenyl siloxane is not currently targeted); limited standalone safety data The EU classifies Tetramethyl Hexaphenyl Tetrasiloxane as "permitted". Safety rating: GOOD.

Is Tetramethyl Hexaphenyl Tetrasiloxane allowed in the EU?

Tetramethyl Hexaphenyl Tetrasiloxane EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Tetramethyl Hexaphenyl Tetrasiloxane do in cosmetics?

Tetramethyl Hexaphenyl Tetrasiloxane functions as: Emollient, skin conditioning agent — silicone-based. It is classified as a cosmetic ingredient in our database. CAS number: 17082-47-2.

What is the Margin of Safety for Tetramethyl Hexaphenyl Tetrasiloxane?

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.

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