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Bulking Agent

ALUMINUM SILICATE

CAS 1327-36-2
70

Safety score · 0–100

Fine

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

A naturally derived mineral powder used as an absorbent and bulking agent in cosmetics. Topically safe, but inhalation of loose powders should be limited and some grades may contain trace crystalline silica.

Skin benefits

  • Functions as an absorbent, anticaking, and bulking agent
  • Provides matte finish in powder cosmetics
  • Stable and inert in skin contact
  • Long history of cosmetic use

Known concerns

  • Inhalation of fine particles is a respiratory hazard, especially in loose powders
  • Some forms can contain trace crystalline silica, which is an IARC carcinogen
  • PubChem GHS for silica family includes H315, H319, H335, and H350 for certain forms
  • Aluminium content raises some consumer concern, although dermal absorption is very low

References

EU

EU CosIng database

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

Related bulking agents

Same plant / compound family

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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.