How do I check if my formula contains METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 8995106/12/2013

METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE

Methoxycinnamidopropyl/Phenyl Polysilsesquioxane is the silicone polymer

METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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What the official INCI name states

The official label is a composite INCI name with 2 named source-material segments. Each segment must be reconciled with the supplier specification.

Identity type from wording: composite
Named source segments: 2

Review parsed source-name segments

METHOXYCINNAMIDOPROPYL
PHENYL POLYSILSESQUIOXANE

This structure is derived only from the official label wording. It does not establish composition, concentration, chemical equivalence, safety or regulatory permission.

Inventory details for METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE

INCI name

METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE

Description

Methoxycinnamidopropyl/Phenyl Polysilsesquioxane is the silicone polymer

Record provenance

Inventory reference: 89951
Imported identity: METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE
Source update: 06/12/2013

European Commission CosIng source notes

Annex records for METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE

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Key data

CAS

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The CosIng inventory records no CAS number for this ingredient. That is the absence of an identifier in the source, not a finding about the substance.

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Restriction

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Function

ANTIOXIDANT: Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.
FILM FORMING: Producing (upon application) a continuous film on the skin, hair or nails.
LIGHT STABILIZER: Protecting the cosmetic product from deterioration effects of light.
SKIN CONDITIONING: Maintaining the skin in good condition.
SKIN PROTECTING: Helping to avoid harmful effects to the skin from external factors.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#16419 · METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE

Ingredients with overlapping formulation functions

MAGNESIUM PHOSPHATELIGHT STABILIZER

MAGNESIUM/MANGANESE/TITANIUM OXIDELIGHT STABILIZER

METHOXYCINNAMIC ACIDLIGHT STABILIZER, UV FILTER

METHOXYCINNAMIDOPROPYL DIMETHYLAMINOBENZAMIDOPROPYL DIMETHICONOLANTIOXIDANT, FILM FORMING, LIGHT STABILIZER, SKIN CONDITIONING - EMOLLIENT

METHOXYCYCLOHEXENONE ETHYLHEXYL GLYCINATEANTIOXIDANT; SKIN CONDITIONING - EMOLLIENT; SOLVENT; LIGHT STABILIZER; UV FILTER

METHOXYPHENYLETHENYL T-BUTYLBENZOATELIGHT STABILIZER; UV ABSORBER

METHOXYPHENYLIMINO DIMETHYLCYCLOHEXENYL ETHYL GLYCINATEFRAGRANCE; SKIN PROTECTING; LIGHT STABILIZER; UV ABSORBER; PERFUMING; ANTIOXIDANT; UV FILTER

METHOXYPROPYLAMINO CYCLOHEXENYLIDENE ETHOXYETHYLCYANOACETATELIGHT STABILIZER, UV FILTER

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE appears in the CosIng inventory

The CosIng inventory lists METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE is also tagged with 5 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE carries the following function designation(s):

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Source note for METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE

This page reproduces the CosIng inventory entry for METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research METHOXYCINNAMIDOPROPYL/PHENYL POLYSILSESQUIOXANE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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