Potassium citrate is a white crystalline salt that is hygroscopic (readily absorbs water). It is made by adding potassium bicarbonate to citric acid, and is often used as a food additive to regulate acidity.
Chelating Agent, pH Adjuster
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.