Citric Acid
pH regulator and mild chelator. In cosmetic formulas it keeps pH within the desired range and binds metal ions that accelerate oxidation.
Evidence by route
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
At small concentrations it only acts as a pH regulator. Exfoliating action appears only in specialized AHA formulas with higher concentration and lower pH.
Tolerability and safety
Irritation potential
LowAllergen risk
LowPregnancy
SafeSkin types
Suitable for
OilyDryCombinationNormal
Frequently asked questions
Is Citric Acid safe during pregnancy?
Citric Acid is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Citric Acid for?
Citric Acid suits: oily, dry, combination, normal.