Is citric acid safe for skin?

Citric acid is widely used in skincare as an exfoliant and pH buffer. Published cosmetic safety reviews identify no significant concerns at the concentrations used in finished products. In its formulated state, citric acid is well-tolerated by most people.

Does citric acid cause irritation or damage the skin barrier?

At the low levels in finished products, citric acid is not identified as an irritant in cosmetic safety literature. Some people may experience sensitivity if exposed to very high concentrations, but this is not typical in formulated skincare.

Why is citric acid in my skincare?

It adjusts product pH to make formulas gentler and more stable. Citric acid also sometimes serves as a mild chemical exfoliant, helping dissolve dead skin cells.

ph-adjuster

Citric Acid

Generally safe·Strong evidence

Used in tiny amounts to set a product to skin-friendly pH. No concern at those levels.

Questions

Is citric acid safe for skin?: Citric acid is widely used in skincare as an exfoliant and pH buffer. Published cosmetic safety reviews identify no significant concerns at the concentrations used in finished products. In its formulated state, citric acid is well-tolerated by most people.
Does citric acid cause irritation or damage the skin barrier?: At the low levels in finished products, citric acid is not identified as an irritant in cosmetic safety literature. Some people may experience sensitivity if exposed to very high concentrations, but this is not typical in formulated skincare.
Why is citric acid in my skincare?: It adjusts product pH to make formulas gentler and more stable. Citric acid also sometimes serves as a mild chemical exfoliant, helping dissolve dead skin cells.

Products with Citric Acid

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.