Sodium Citrate
Sodium salt of citric acid. Acts as a buffering pH adjuster and mild metal chelator. Sets the optimal pH for active ingredients – such as vitamin C or acids. Often paired with citric acid to stabilise pH at a target level.
Evidence by route
Topical application
BLimited evidence. One RCT or several controlled studies with limitations.
Functional pH adjuster. No standalone skin effect. Safety profile is unremarkable.
- Cosmetic Ingredient Review (CIR). Safety assessment of citrates. 2014.
Tolerability and safety
Irritation potential
LowAllergen risk
LowPregnancy
SafeSkin types
Suitable for
NormalDryCombinationOilySensitive
Frequently asked questions
Is Sodium Citrate safe during pregnancy?
Sodium Citrate is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Sodium Citrate for?
Sodium Citrate suits: normal, dry, combination, oily, sensitive.