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Zinc 4-hydroxybenzene sulphonate

CAS 127-82-2
52

Safety score · 0–100

Moderate

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

Zinc 4-hydroxybenzene sulphonate is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.

Zinc 4-hydroxybenzene sulfonate (zinc p-hydroxybenzenesulfonate) is a zinc salt of hydroxybenzenesulfonic acid used for its antimicrobial and astringent properties, particularly in acne treatment products. It is permitted in cosmetic products at a maximum concentration of 6% as anhydrous substance according to EU cosmetic regulations. The GHS hazard statements (H302, H315, H319, H335) indicate it requires careful formulation to avoid irritation. It is not classified as a fragrance allergen.

Skin benefits

  • Antimicrobial properties useful in acne treatments
  • Astringent effect on skin
  • Zinc provides sebum-regulating benefits
  • Used in anti-acne formulations

Known concerns

  • H302 harmful if swallowed
  • H315 skin irritation
  • H319 serious eye irritation
  • H335 respiratory irritation
  • Formulation required to prevent inhalation exposure

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, so always read the physical product label and consult a healthcare professional for personal concerns.