Is NONOXYNOL-9 safe to use in EU cosmetics?

NONOXYNOL-9 is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

InventoryRef 9292004/03/2019

NONOXYNOL-9

Q: How do I check if my formula contains NONOXYNOL-9?

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

Nonoxynol-9 is the ethoxylated alkyl phenol that conforms generally to the formula: (structure) where n has an average value of 9.

NONOXYNOL-9 is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Inventory details for NONOXYNOL-9

INCI name

NONOXYNOL-9

Description

Nonoxynol-9 is the ethoxylated alkyl phenol that conforms generally to the formula: (structure) where n has an average value of 9.

Annex records for NONOXYNOL-9

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Key data

CAS

14409-72-4; 26027-38-3(generic); 26571-11-9; 37205-87-1(generic); 68412-54-4; 9016-45-9(generic)

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Restriction

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Function

SURFACTANT - CLEANSING SURFACTANT - EMULSIFYING

How NONOXYNOL-9 appears in the CosIng inventory

The CosIng inventory lists NONOXYNOL-9 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.

NONOXYNOL-9 is also tagged with 2 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

NONOXYNOL-9 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, NONOXYNOL-9 carries the following function designation(s):

CAS 14409-72-4; 26027-38-3(generic); 26571-11-9; 37205-87-1(generic); 68412-54-4; 9016-45-9(generic) 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.

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Source note for NONOXYNOL-9

This page reproduces the CosIng inventory entry for NONOXYNOL-9 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 NONOXYNOL-9 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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Tools & next steps

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