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Skin Conditioning

ZINC SULFATE

CAS 7446-19-7 (monohydrate)/ 7446-20-0 (heptahydrate) / 7733-02-0 (anhydrous) Updated
70

Safety score · 0–100

Fine

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

About

Zinc sulfate — a soluble zinc salt used as an astringent and to deliver zinc ions. Well-tolerated in finished products, though concentrate is a known eye irritant.

Function

ANTIMICROBIALANTIPLAQUEASTRINGENTORAL CARE

Skin benefits

  • Astringent for oily skin
  • Provides zinc ions
  • Mild antimicrobial action

Known concerns

  • Eye irritant in concentrate
  • Aquatic toxicity
  • Drying on sensitive skin

References

EU

EU CosIng database

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

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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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.