Is PORPHYRA 334 safe to use in EU cosmetics?

PORPHYRA 334 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.

What other records share CAS 70579-26-9?

CAS 70579-26-9 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

InventoryRef 9152112/11/2014

PORPHYRA 334

Q: How do I check if my formula contains PORPHYRA 334?

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.

L-Threonine, N-[(5S)-3-[(carboxymethyl)amino]-5-hydroxy-5-(hydroxymethyl)-2-methoxy-2-cyclohexen-1-ylidene]-, [N(E)]-

PORPHYRA 334 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 PORPHYRA 334

INCI name

PORPHYRA 334

Description

L-Threonine, N-[(5S)-3-[(carboxymethyl)amino]-5-hydroxy-5-(hydroxymethyl)-2-methoxy-2-cyclohexen-1-ylidene]-, [N(E)]-

Annex records for PORPHYRA 334

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Key data

CAS

70579-26-9

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Restriction

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Function

LIGHT STABILIZER SKIN CONDITIONING

How PORPHYRA 334 appears in the CosIng inventory

The CosIng inventory lists PORPHYRA 334 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.

PORPHYRA 334 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

PORPHYRA 334 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, PORPHYRA 334 carries the following function designation(s):

CAS 70579-26-9 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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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.

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Source note for PORPHYRA 334

This page reproduces the CosIng inventory entry for PORPHYRA 334 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 PORPHYRA 334 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

Check your formula

Scan a full INCI list to detect PORPHYRA 334 and any linked EU annex restrictions or allergen flags.

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