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pH Adjuster

METHYL LACTIC ACID

CAS 594-61-6 Updated
62

Safety score · 0–100

Fine

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

About

Methylated lactic acid (2-hydroxyisobutyric acid) — used as a mild exfoliant and pH adjuster. Safe at low cosmetic concentrations; raw form is a skin and eye irritant per GHS.

Function

FRAGRANCE

Skin benefits

  • Alpha-hydroxy-class exfoliant analogue
  • pH adjuster
  • Skin conditioning at low concentrations

Known concerns

  • GHS H315 — causes skin irritation
  • GHS H318/H319 — eye irritation
  • Acidic; concentration-dependent stinging

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.