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Sulfur

CAS 10544-50-0 · 40/100 · High conf.

Also registered as 15 other CAS numbers

7782-45-8 · 8050-82-6 · 12673-82-4 · 12684-31-0 · 12767-24-7 · 56449-52-6 · 56591-09-4 · 56645-30-8 · 57035-13-9 · 63705-05-5 · 81032-32-8 · 97124-07-7 · 1251749-91-3 · 1819329-88-8 · 7704-34-9

Sulfur chemical structure

Concern score

40/100Moderate concern based on regulatory listings.
High confidence

Sulfur in plain language

What it is

On cosmetic ingredient lists it appears as “Colloidal sulfur”.

Also known as Colloidal sulfur · Precipitated sulfur · Sublimed sulfur · Pharmaceutical sulfur · Micronized sulfur · Sulphur

Show all 21 names

.alpha.-sulfur · Colloidal sulphur · Liu huang · Orthorhombic sulfur · Sulfur (S8) · Agri-Sul · Asulfa-Supra · Atomic sulfur · Bensulfoid · Brimstone · Cosavet · Elemental Sulfur · azufre, precipitado, sublimado o coloidal · sulfur (sara 302) %:0.005/0.05 · sulfur. % (wt): </= 0.40

What it does

Used in cosmetics as an antimicrobial, a skin-conditioning agent and an anti-seborrheic. Sulfur and gum arabic.

  • Antimicrobial
  • Skin conditioning
  • Anti-seborrheic
  • Anti-sebum
  • Hair conditioning
  • Antistatic
Is it a concern?
Moderate concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

Why it's flagged

EPA CPDat observed this chemical in 1223 composition records across product categories including Construction and building materials, Furniture and furnishings, Vehicle.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Sulfur appears in these published regulatory listings.

  • In marketed US drugs
  • Inactive ingredient in US drugs

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Pharma
  • Food
  • Industrial
  • EUCosIngActive2 entries
  • EUEFSAConclusion on Pesticides Peer ReviewPeer review of the pesticide risk assessment of the active substance sulfur (EFSA)
    • Peer review of the pesticide risk assessment of the active substance sulfur (EFSA)Source →
  • EUEFSAEFSA opinionScientific Opinion on the safety evaluation of the active substances, activated carbon, water, iron powder, kaolin calcined, sulphur and sodium chloride for use as active component in food contact materials (EFSA CEF)
    • Scientific Opinion on the safety evaluation of the active substances, activated carbon, water, iron powder, kaolin calcined, sulphur and sodium chloride for use as active component in food contact materials (EFSA CEF)Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 1223 composition records across product categories including Construction and building materials, Furniture and furnishings, Vehicle. EPA CPDat classifies this chemical for functional uses including Biocide, Anti-static agent, Softener and conditioner.
    • EPA CPDat observed this chemical in 1223 composition records across product categories including Construction and building materials, Furniture and furnishings, Vehicle. EPA CPDat classifies this chemical for functional uses including Biocide, Anti-static agent, Softener and conditioner.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 661 active drug products and 709 total products.
    • FDA NDC lists this ingredient in 661 active drug products and 709 total products.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →
  • USFDAinactive ingredient databaseRoute: INTRAVENOUS; Dosage form: INJECTION; Potency: NA
    • Route: INTRAVENOUS; Dosage form: INJECTION; Potency: NASource →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

  • EFSA

    European Food Safety Authority

    • Peer review of the pesticide risk assessment of the active substance sulfur (EFSA)

      2009 · EU EFSA listing · Read the source →

    • Scientific Opinion on the safety evaluation of the active substances, activated carbon, water, iron powder, kaolin calcined, sulphur and sodium chloride for use as active component in food contact materials (EFSA CEF)

      2012 · EU EFSA listing · Read the source →

Evidence & sources

No graded research studies for Sulfur yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

8 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EFSA OpenFoodTox

    regulatory · updated 2026-10-04

    Open →

  • EPA Chemical and Products Database

    exposure · updated may 1, 2017

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA Inactive Ingredient Database

    regulatory · updated 2026-01-09

    Open →

  • FDA National Drug Code Directory

    regulatory · updated 2030-10-01

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

Allergen profile

Canonical allergen markers detected on this ingredient. Each row is derived from the ingredient’s name or synonyms matching a known allergen class — useful when scanning a label for a specific allergy context.

  • SulphitesContains · Oral (ingested)

    Source: chemindex_name_match

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed Sulfur in a product composition. These are source records, not Greenveil catalog products.

Source records

1,223

Named organisations

6

Construction and building materialsFurniture and furnishingsVehicleLandscape/yardFood and drugSpecialty occupational products

Typical roles

AntimicrobialSkin conditioningAnti-seborrheicAnti-sebumHair conditioningAntistatic
See products using Sulfur →

Catalog

Found in these products

Cosmetic and personal-care products that list Sulfur are shown first. Their ingredient lists include Sulfur; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 24 →Find products without it →