Sodium Silicate
INCI: Sodium Silicate · CAS: 1344-09-8
Strongly alkaline mineral salt (water glass) used to adjust viscosity and pH. High pH can be irritating to skin and eyes at meaningful levels.
ComedogenicDescribes any ingredient, cosmetic, or skincare product that tends to clog pores. Scored 0 (non-comedogenic) to 5 (highly likely to clog pores).
-
IrritancyRefers to the state or quality of being irritating, provoking annoyance, or causing physical discomfort. Scored 0 (well tolerated) to 5 (likely to irritate sensitive skin).
4 / 5
EWGThe Environmental Working Group operates the EWG Skin Deep® Cosmetics Database, which evaluates the safety of tens of thousands of personal care products. Scored 0–10 based on hazard level: 0–2 low hazard, 3–6 moderate, 7–10 high.
2 / 10
Functions
thickener, ph-adjuster
Functions in a formula
- thickener
- ph-adjuster
Possible concerns
Suitable for skin types
- Normal
Also listed as
Water glass
Our matcher recognises all of these names automatically.
This page is continuously reviewed. Last updated 7/1/2026.
Informational only - not medical advice. See methodology.