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pH Adjuster

MAGNESIUM HYDROXIDE

CAS 1309-42-8 Updated
85

Safety score · 0–100

Good

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

About

Milk of magnesia in mineral form — neutralizes odor and gently buffers pH. Widely used in natural deodorants.

Function

ABSORBENT, BUFFERING

Skin benefits

  • pH buffering
  • Odor control
  • Sweat absorption

Known concerns

  • Alkaline at high levels

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.