CITRIC ACID

Bulk Citric Acid for Cosmetic Formulation

Citric acid is a key raw material in cosmetics, used to regulate pH and stabilize lotions, creams and serums. This technical guide covers what this ingredient is, where it comes from, and its main applications in professional cosmetic formulation, aimed at laboratories, artisan soap makers and manufacturers sourcing bulk citric acid for skin care.

What Is Citric Acid?

Citric acid is a water-soluble organic acid, available in crystalline or powder form for cosmetic use. In formulation, it is primarily used as a pH regulating and adjusting agent, helping stabilize emulsions, gels and aqueous products within the optimal range for skin.

Its solubility allows easy incorporation into the water phase of a formula without altering final texture. Beyond its regulating role, citric acid provides mild exfoliating and antioxidant action, making it valued in formulas aimed at improving radiance and skin balance, always within safe cosmetic concentrations.

Main Cosmetic Uses of Citric Acid

pH regulation. This is its most common cosmetic function: adjusting the pH of creams, lotions, shampoos and facial cleansers to ensure formula stability and compatibility with the skin's natural acid mantle.

Mild exfoliating action. As an alpha hydroxy acid, citric acid for skin supports surface cell renewal, contributing to a smoother, more radiant texture in facial and body care formulas.

Antioxidant and preservative support. Its chelating capacity helps neutralize metal ions that catalyze oxidation, protecting oils and sensitive actives in the formula and extending stability against free radicals.

Natural and artisan product formulation. It is a common ingredient in artisan soap making and natural cosmetics, both to adjust the final pH of bar soap and in the production of bath bombs and effervescent bath salts.

CAS: 77-92-9. EINECS: 201-069-1. INCI: Citric Acid.