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Hair Conditioning

GLYOXYLIC ACID

CAS 298-12-4 Updated
28

Safety score · 0–100

Caution

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

About

A reactive acid used in some hair-straightening systems. Corrosive in concentrated form and recently restricted by the EU after SCCS review. Treat as high-risk.

Function

ANTISTATICBUFFERINGHAIR WAVING OR STRAIGHTENING

Skin benefits

  • Effective hair-straightening alternative to formaldehyde
  • No formaldehyde release in true glyoxylic systems
  • Used in salons

Known concerns

  • Strong skin/eye irritant — GHS H314 corrosive
  • Sensitiser potential under EU CLP
  • Recently restricted by EU SCCS for hair use
  • Vapour exposure during heat styling

References

EU

EU CosIng database

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

Related hair conditionings

28
6-METHOXY-2-METHYLAMINO-3-AMINOPYRIDINE HCL
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DECHLORO CYCLOPROPYLCLOPROSTENOLAMIDE
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GLYCERYL THIOGLYCOLATE
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METHYLIMIDAZOLIUMPROPYL P-PHENYLENEDIAMINE HCL
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STEARAMINE
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1-HEXYL 4,5-DIAMINO PYRAZOLE SULFATE
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1-NAPHTHOL
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6-AMINO-2,4-DICHLORO-M-CRESOL HCL
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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.