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Preservative

SODIUM HYDROXYMETHYLGLYCINATE

CAS 70161-44-3 Updated
35

Safety score · 0–100

Caution

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

About

A preservative that works by releasing small amounts of formaldehyde. Effective but a known skin sensitiser — best avoided if you react to formaldehyde-releasing preservatives.

Function

HAIR CONDITIONINGPRESERVATIVE

Skin benefits

  • Broad-spectrum preservative
  • Effective at low concentrations

Known concerns

  • Formaldehyde releaser — known sensitiser
  • Contact dermatitis risk
  • Formaldehyde is IARC Group 1

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 — always read the physical product label and consult a healthcare professional for personal concerns.