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pH Adjuster

MALIC ACID

CAS 97-67-6
72

Safety score · 0–100

Fine

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

A fruit acid (AHA) used for mild exfoliation and pH balancing. Useful for dull skin, but it can sting and increases sun sensitivity at active concentrations.

Function

BUFFERING

Skin benefits

  • Mild AHA exfoliation
  • Helps brighten dull skin
  • pH adjuster in formulas
  • Naturally occurs in apples and other fruit

Known concerns

  • Can cause stinging and irritation on sensitive skin
  • Increases sun sensitivity at low pH
  • Eye and mucosal irritant

References

EU

EU CosIng database

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

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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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.