Is BIOTIN safe to use in EU cosmetics?

BIOTIN 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 BIOTIN serve in cosmetics?

According to the EU CosIng inventory, BIOTIN carries the following function designation(s): ANTI-SEBUM, HAIR CONDITIONING, SKIN CONDITIONING.

What other records share CAS 58-85-5?

CAS 58-85-5 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 3218815/10/2010

BIOTIN

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

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.

1H-Thieno[3,4-d]imidazole-4-pentanoic acid, hexahydro-2-oxo-, [3aS-(3a.alpha.,4.beta.,6a.alpha.)]-

BIOTIN 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 BIOTIN

INCI name

BIOTIN

INN name

biotin

Ph. Eur. name

biotinum

Description

1H-Thieno[3,4-d]imidazole-4-pentanoic acid, hexahydro-2-oxo-, [3aS-(3a.alpha.,4.beta.,6a.alpha.)]-

Annex records for BIOTIN

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Key data

CAS

58-85-5

200-399-3

Restriction

—

Function

ANTI-SEBUM HAIR CONDITIONING SKIN CONDITIONING

How BIOTIN appears in the CosIng inventory

The CosIng inventory lists BIOTIN 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.

BIOTIN is also tagged with 3 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

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

CAS 58-85-5 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 BIOTIN

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

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Search similar ingredients

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