GALACTURONIC ACID
pH Adjuster
Good
CAS Number: 685-73-4
About GALACTURONIC ACID
A naturally occurring uronic acid derived from plant pectins that provides humectant, buffering, and chelating benefits with an excellent safety profile.
Detailed Analysis
Galacturonic acid (CAS 685-73-4) is a uronic acid derived from D-galactose, the primary component of plant cell wall pectins. It is not classified under EU CLP for any hazard endpoint and is not listed in EU CosIng with restrictions. As a naturally occurring component of fruit pectins, it is well-tolerated on skin. Its carboxylic acid groups provide mild chelation of metal ions and its stereochemistry confers humectant properties. It is biodegradable and environmentally benign.
What It Does
Skin Benefits
- ✓ Humectant properties for skin hydration
- ✓ Mild buffering agent
- ✓ Chelating agent for product stability
Safety Score
Good
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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