Disodium Phosphate
Primary Function
pH Adjuster
Health Score
7/10
Eco Score
6/10
Also Known As
sodium phosphate dibasic
About Disodium Phosphate
An inorganic buffering salt used to maintain stable pH levels in cosmetic formulations, particularly in cleansers and shampoos.
Formulation Role & Skin Benefits
Disodium Phosphate is selected for formulations requiring ensuring formula matches the skin's natural acidic mantle (pH 4.5-5.5), delivering optimizing active ingredient efficacy while minimizing skin irritation.
Best suited for all skin types, crucial for maintaining a healthy acid mantle. Typical formulation context: all skincare formulations, especially AHA/BHA exfoliants and vitamin C.
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