Snapshot
- Overview
- A citrus-derived acid that gently exfoliates and balances formula pH.
- Category
- Exfoliating, Tone/Texture
- Type
- pH Adjuster
Citric Acid
Citric acid is a weak organic alpha-hydroxy acid from citrus, widely used in cosmetics as a pH adjuster and occasional chelator. It moderates formula acidity for stability and comfort, and at suitable levels can provide very mild surface exfoliation.
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Our take
Is Citric Acid a Good Ingredient?
Reliable as a pH adjuster with only mild exfoliation, and evidence for meaningful leave‑on improvement is modest. It can sting or irritate sensitive skin at low pH or higher levels, so formulation and frequency matter. Limited proof of benefit weighed against the risk keeps it at Fair.
What it does
Skin Benefits
Can gently smooth rough-feeling texture and brighten the look of dullness with consistent use. Sensitive skin may sting if formulas are very acidic.
Where you'll find it
Uses in Skincare & Cosmetics
Often included in toners, cleansers, and serums to fine‑tune pH and add a light exfoliating effect, especially in daily-use formats.
Before you use it
Safety
Generally safe at low amounts used to adjust pH, but may cause stinging, redness, or dryness, especially at lower pH, higher concentration, or on compromised skin. Discontinue if persistent irritation occurs.
Products with Citric Acid
