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MUDSTONE POWDER

CAS -
84

Safety score · 0–100

Good

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

About

A sedimentary rock powder composed mainly of clay and silt that acts as a bulking agent and absorbent in cosmetic formulations.

Mudstone is a fine-grained sedimentary rock composed primarily of clay minerals and silt-sized particles. It is not restricted in EU Cosmetics Regulation 1223/2009. Cosmetic use of mudstone powder is relatively limited compared to other clays, but it provides similar oil-absorption and texture-modifying properties. The mineral composition varies by geological source. Natural mudstone formations may contain trace metals that are generally considered safe at cosmetic use levels.

Skin benefits

  • Oil-absorbing properties
  • Natural mineral content
  • Bulking and texture agent

Known concerns

  • Variable mineral composition by source
  • Inhalation hazard if in powdered form

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.