pH Adjuster
SODIUM SILICATE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A strongly alkaline silicate (water glass) used as a pH adjuster. Skin and eye irritant per GHS. Acceptable at trace levels in rinse-off; not for leave-on use at meaningful concentrations.
Function
Skin benefits
- pH adjuster and buffering agent
- Anti-corrosion in formulation
- Functional building block in some cleansers
Known concerns
- Strongly alkaline — irritating to skin and eyes
- Skin/eye irritant per GHS
- Not for leave-on use at meaningful levels
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
PubChem
U.S. NIH compound data, GHS hazard codes and toxicity literature.
Related ph adjusters
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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.