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Base & Functional
Citric Acid
Exfoliation / PoresBrightening
INCI: Citric Acid
In short · TL;DR
Category
Base & Functional
Effect
An AHA widely used for pH adjustment and chelation. Also provides mild exfoliation
Concentration
In cosmetics, mainly used at low concentrations for pH adjustment; a few percent for exfoliation purposes
Effect
An AHA widely used for pH adjustment and chelation. Also provides mild exfoliation
Mechanism
Contributes to pH adjustment and metal-ion sequestration in formulations, and also provides exfoliating effect at low pH
Typical concentration
In cosmetics, mainly used at low concentrations for pH adjustment; a few percent for exfoliation purposes
Onset
pH adjustment is immediate; exfoliation is felt with continued use
Cautions
May cause irritation at high concentrations. Primary uses are pH adjustment and stabilization. No pharmaceutical efficacy claims permitted
Evidence & references
This page is reference information and does not guarantee efficacy. Figures vary by test conditions (in vitro / manufacturer / concentration). It does not indicate pharmaceutical efficacy.
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