Used with care
Sodium metasilicate is a white, readily-dissolvable powder produced by the reaction of sodium carbonate and silicone dioxide. We use it as an anti-corrosion agent and builder in our dishwasher powder.
Anti-Corrosion Agent, Builder
EWG score: The EWG score is a hazard score ranging from 1-2 (low hazard), 3-6 (moderate hazard) and 7-10 (high hazard) published by the Environmental Working Group. Their data is sourced from the Skin Deep® database and studies published in open scientific literature.