AHA Exfoliant ·

Limited evidence

Citric Acid

What is it?

A fruit-derived alpha hydroxy acid commonly used both as a pH-adjusting ingredient and, at higher concentrations, a chemical-peel exfoliant.

What does it do?

AHA and pH-adjuster -- used at high concentrations in professional chemical peels for exfoliation. A documented emergency-medicine case report describes significant chemical burns and airway compromise following a professionally applied high-concentration citric acid facial peel, underscoring that concentration and professional application matter significantly for this ingredient's safety profile.

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Sources

Important disclaimer

This page provides general skincare information and is not medical advice, diagnosis or treatment. Ingredient interactions and evidence summaries reflect published, cited sources — not a personal assessment of your skin. For medical skin conditions, rashes, pregnancy/lactation questions or persistent concerns, please consult a licensed dermatologist or HPCSA-registered practitioner.