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Antimicrobial

SULFUR

CAS 7704-34-9 Updated
72

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

Elemental sulfur — a traditional anti-acne and anti-dandruff active. Effective at 1-10% with decades of medical use; main downside is the smell and mild dryness.

Function

ANTI-SEBORRHEIC, ANTI-SEBUM, ANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING

Skin benefits

  • Classic anti-acne and anti-dandruff active
  • Mild keratolytic and antimicrobial
  • Long pharmaceutical and cosmetic history

Known concerns

  • Distinctive odour limits cosmetic appeal
  • Can dry and irritate sensitive skin
  • Avoid combining with mercury or some peroxides

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.