InventoryRef 9525819/04/2018

POLYPHENYLSILSESQUIOXANE/TRIMETHYLSILOXYSILICATE

Silsesquioxanes, Ph, polymers with silicic acid (H4SiO4) tetra-Et ester, [(trimethylsilyl)oxy]-terminated

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

Inventory details for POLYPHENYLSILSESQUIOXANE/TRIMETHYLSILOXYSILICATE

INCI name

POLYPHENYLSILSESQUIOXANE/TRIMETHYLSILOXYSILICATE

Description

Silsesquioxanes, Ph, polymers with silicic acid (H4SiO4) tetra-Et ester, [(trimethylsilyl)oxy]-terminated

Key data

EC
Restriction
Function

How POLYPHENYLSILSESQUIOXANE/TRIMETHYLSILOXYSILICATE appears in the CosIng inventory

The CosIng inventory lists POLYPHENYLSILSESQUIOXANE/TRIMETHYLSILOXYSILICATE 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.

POLYPHENYLSILSESQUIOXANE/TRIMETHYLSILOXYSILICATE is also tagged with 1 cosmetic function 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

POLYPHENYLSILSESQUIOXANE/TRIMETHYLSILOXYSILICATE 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, POLYPHENYLSILSESQUIOXANE/TRIMETHYLSILOXYSILICATE carries the following function designation(s):

CAS 1991985-12-6 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

Use the INCI Checker tool to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

Source note for POLYPHENYLSILSESQUIOXANE/TRIMETHYLSILOXYSILICATE

This page reproduces the CosIng inventory entry for POLYPHENYLSILSESQUIOXANE/TRIMETHYLSILOXYSILICATE 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 POLYPHENYLSILSESQUIOXANE/TRIMETHYLSILOXYSILICATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

Tools & next steps

Check your formula

Scan a full INCI list to detect POLYPHENYLSILSESQUIOXANE/TRIMETHYLSILOXYSILICATE and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to POLYPHENYLSILSESQUIOXANE/TRIMETHYLSILOXYSILICATE, its identifiers or nearby name variants.

Search