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pH Adjuster

DIHYDROXYACETIC ACID

Updated
70

Safety score · 0–100

Fine

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

About

A small organic acid used as a pH adjuster and exfoliant precursor. Limited published cosmetic safety data; treated as generally fine at low rinse-off levels.

Function

ANTISTATICBUFFERINGHAIR WAVING OR STRAIGHTENING

Skin benefits

  • Mild exfoliating effect
  • pH adjusting in formulas
  • Self-tanning chemistry building block

Known concerns

  • Limited cosmetic-specific data
  • May lower skin pH if unbuffered
  • Possible mild irritation

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.