Is DECURSIN safe to use in EU cosmetics?

DECURSIN 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 function does DECURSIN serve in cosmetics?

According to the EU CosIng inventory, DECURSIN carries the following function designation(s): ANTIOXIDANT, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SKIN PROTECTING.

What other records share CAS 5928-25-6?

CAS 5928-25-6 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 9464604/08/2016

DECURSIN

Q: How do I check if my formula contains DECURSIN?

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.

2-Butenoic acid, 3-methyl-, (7S)-7,8-dihydro-8,8-dimethyl-2-oxo-2H,6H-pyrano[3,2-g]-1-benzopyran-7-yl ester

DECURSIN 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 DECURSIN

INCI name

DECURSIN

Description

2-Butenoic acid, 3-methyl-, (7S)-7,8-dihydro-8,8-dimethyl-2-oxo-2H,6H-pyrano[3,2-g]-1-benzopyran-7-yl ester

Annex records for DECURSIN

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Key data

CAS

5928-25-6

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Restriction

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Function

ANTIOXIDANT SKIN CONDITIONING SKIN CONDITIONING - EMOLLIENT SKIN PROTECTING

How DECURSIN appears in the CosIng inventory

The CosIng inventory lists DECURSIN 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.

DECURSIN is also tagged with 4 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

DECURSIN 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, DECURSIN carries the following function designation(s):

CAS 5928-25-6 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.

View CAS records

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 DECURSIN

This page reproduces the CosIng inventory entry for DECURSIN 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 DECURSIN 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 DECURSIN and any linked EU annex restrictions or allergen flags.

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