INCI · other · CIR review pending · used in 1 products
Potassium Citrate
Potassium Citrate (INCI) is the tripotassium salt of citric acid, registered under CAS # 866-84-2 and EC # 212-755-5. According to CosIng, its official functions in cosmetic formulations are buffering and chelating. It is also known by its Ph. Eur. name Kalii Citras.
Evidence level
weakEWG score
—Comedogenic
—Category
other● Benefits
Potassium Citrate serves primarily as a pH buffering agent to help maintain formula stability and as a chelating agent to bind metal ions that could otherwise degrade a product. No direct skin-benefit claims are supported by the source.
buffering
● Cautions
