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pH Adjuster

MALONIC ACID

CAS 141-82-2 Updated
68

Safety score · 0–100

Fine

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

About

A small dicarboxylic acid used to buffer pH in cosmetics. Endogenous to many plants and animals; well tolerated at cosmetic concentrations but mildly irritating in concentrate.

Function

BUFFERING

Skin benefits

  • pH buffering
  • Mild chelation
  • Trace metabolite

Known concerns

  • Concentrate skin/eye irritation
  • Acidic — must be neutralized
  • Respiratory irritant at high vapor 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.