Is SULFUR safe to use in EU cosmetics?

SULFUR 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 SULFUR serve in cosmetics?

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

What other records share CAS 7704-34-9?

CAS 7704-34-9 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.

How do I check if my formula contains SULFUR?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 3840715/10/2010

SULFUR

Sulphur

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

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 7704-34-9

CAS 7704-34-9PubChem CID 5362487

Sulfur

Sulfide is a metabolite found in or produced by Escherichia coli (strain K12, MG1655). — E. coli Metabolome Database (ECMDB)

IUPAC name: sulfane

Molecular formula: S
Molecular weight: 32.07 g/mol
Exact mass: 31.97207117 Da
XLogP3: 0.5
Topological polar surface area: 1.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

AnacardiumBioelementsArmaritaCelestyNaturasilProsaceaSulfadermDermaWash

16 more reported names

MottoAcne Treatmentalpha-SulfurSpot CorrectionSulfur-LavenderSulfur LotionAmino MaskDermaline SulfurSulfo losulfur suspensionZinc CreamMalin and GoetzClean KitDr BerrysSpai-SonsSpot Defy

Open full PubChem record PubChem annotations 3D structure image

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for SULFUR

INCI name

SULFUR

INN name

sulfur

Description

Sulphur

Record provenance

Inventory reference: 38407
Imported identity: SULFUR
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for SULFUR

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Key data

CAS

7704-34-9

231-722-6

Restriction

—

Function

ANTI-SEBORRHEIC: Preventing or relieving the symptoms of seborrhea and/or seborrheic dermatitis, including dandruff.
ANTI-SEBUM: Helping control sebum production.
ANTISTATIC: Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.
HAIR CONDITIONING: Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
SKIN CONDITIONING: Maintaining the skin in good condition.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#28074 · SULFUR

Records sharing a CAS or EC identity

COLLOIDAL SULFUR

Ingredients with overlapping formulation functions

SODIUM CITRONELLATEANTI-SEBORRHEIC, ANTIMICROBIAL, FRAGRANCE

SORBUS AUCUPARIA SEED OILANTI-SEBORRHEIC, HAIR CONDITIONING, NAIL CONDITIONING, SKIN CONDITIONING - EMOLLIENT

STARCH PHOSPHATEABRASIVE; ABSORBENT; ANTICAKING; ANTI-SEBORRHEIC; ANTIFOAMING; ANTI-SEBUM; ORAL CARE

STEMONA BURKILLII ROOT EXTRACTANTI-SEBORRHEIC; ANTIMICROBIAL; SKIN CONDITIONING - MISCELLANEOUS

SYMPHYTUM OFFICINALE ROOT EXTRACTANTI-SEBORRHEIC, SKIN CONDITIONING, SOOTHING

SYNSEPALUM DULCIFICUM SEED EXTRACTANTI-SEBORRHEIC; SKIN PROTECTING

TEA-UNDECYLENOYL HYDROLYZED COLLAGENANTI-SEBORRHEIC, ANTISTATIC, CLEANSING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING

UNDECYLENAMIDE DEAANTI-SEBORRHEIC, ANTIMICROBIAL, ANTISTATIC, HAIR CONDITIONING, SURFACTANT - FOAM BOOSTING, VISCOSIT…

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How SULFUR appears in the CosIng inventory

The CosIng inventory lists SULFUR 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.

SULFUR is also tagged with 5 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

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

CAS 7704-34-9 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.

View CAS records

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

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Source note for SULFUR

This page reproduces the CosIng inventory entry for SULFUR 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 SULFUR 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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