INCI · other · CIR review pending · used in 3 products
Disodium Phosphate
Disodium Phosphate (CAS# 7558-79-4 / 7782-85-6) is an inorganic salt of phosphoric acid used in cosmetic and personal care formulations. According to CosIng, its listed functions are anticorrosive, buffering, and masking. It is also known by its Ph. Eur. name Dinatrii Phosphas and its chemical/IUPAC name Disodium Hydrogenorthophosphate.
Evidence level
weakEWG score
—Comedogenic
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other● Benefits
Disodium Phosphate primarily serves as a pH buffering agent, helping to stabilize and maintain the desired pH level of cosmetic formulations. Its anticorrosive and masking functions provide additional formulation stability benefits.
buffering
● Cautions


