INCI · other · CIR review pending · used in 3 products
Potassium Phosphate
Potassium Phosphate (CAS 7778-77-0 / 16068-46-5) is an inorganic salt also known as Potassium Dihydrogenorthophosphate. It is used in cosmetic formulations primarily as a buffering agent to help maintain and adjust the pH of a product. It appears in a wide range of product types including cleansers, toners, moisturizers, and makeup removers.
Evidence level
strongEWG score
—Comedogenic
—Category
other● Benefits
Its primary role is to help set the pH of a cosmetic formulation to the appropriate level, ensuring product stability and compatibility with skin. No direct skin-active benefits are described in the source beyond its function as a pH-buffering helper ingredient.
buffering
● Cautions
