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Astringent

ALUMINUM SULFATE

CAS 10043-01-3 Updated
48

Safety score · 0–100

Moderate

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

About

An aluminum-based astringent salt used in deodorants and styptic products. Effective but raw material is corrosive to eyes and can be drying — best at low levels and in rinse-off.

Function

ANTIPERSPIRANTASTRINGENTDEODORANT

Skin benefits

  • Astringent — tightens skin and shrinks pores
  • Antiperspirant action
  • pH/buffering and styptic effects

Known concerns

  • GHS H318 — causes serious eye damage in raw form
  • Drying and potentially irritating to skin
  • Aluminum salt — chronic-use concerns under ongoing review

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.